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#7901 2018-05-16 00:35:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6513. Lengths of three sides of a right angled triangle are (x - 2) centimeters, x centimeters, and (x + 2) centimeters, find the value of x.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7902 2018-05-16 14:19:38

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6514. If the side perpendicular to each other of a right-angled triangle are 15 centimeters and 8 centimeters, find the perimeter of the triangle.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7903 2018-05-17 00:20:12

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6515. The area of an isosceles triangle ABC with AB = AC and altitude = 3 centimeters is 12 square centimeters. What is its perimeter?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7904 2018-05-17 14:56:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6516. If the altitude of an  equilateral triangle is

, then what is its perimeter?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7905 2018-05-18 00:16:24

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6517. What is the area of a right-angled isosceles triangle whose hypotenuse is

centimeters?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7906 2018-05-18 15:16:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6518. If the area of the triangle is 1176 square centimeters and the ratio, base : corresponding altitude, is 3:4. Find the altitude of the triangle.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7907 2018-05-19 00:14:48

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6519. The base of a triangle is 15 centimeters and the height is 12 centimeters. Find the height of another triangle of double the area having the base 20 centimeters.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7908 2018-05-19 14:51:55

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6520. The sides of a triangle are 3 centimeters, 4 centimeters, and 5 centimeters. Find the area (in square centimeters) of the triangle formed by joining the mid-points of this triangle.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7909 2018-05-19 23:30:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6521. The hypotenuse of a right-angled isosceles triangle is 5 centimeters. Find its area.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7910 2018-05-20 14:41:00

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6522. The lengths of a triangle are  are in the ratio 2:3:4. The perimeter of the triangle is 18 centimeters. Find the area of the triangle in square centimeters.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7911 2018-05-21 00:31:07

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6523. The height of an equilateral triangle is 15 centimeters. Find the area of the triangle.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7912 2018-05-21 14:31:06

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6524. The sides of a triangle are 16 centimeters, 12 centimeters, and 20 centimeters. Find its area.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7913 2018-05-21 22:20:01

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6525. The height of a triangle is increased by 40% and the base  is increased by 10%. The area of the triangle increases by how much percentage?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7914 2018-05-22 14:35:40

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6526. Find the area of a quadrilateral formed by joining the mid-points of the sides of the sides of the quadrilateral of area 160 square centimeters.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7915 2018-05-23 01:01:25

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6527. If the diagonals of two squares are in the ratio 2:5, find the ratio of the areas.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7916 2018-05-23 14:20:57

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6528. The perimeter of two squares are 24 centimeters and 32 centimeters. Find the perimeter (in centimeters) of a third square equal in area to the sum of the areas of these squares.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7917 2018-05-23 22:58:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6529. If each edge of a square is doubled, then find the increase percentage in its area.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7918 2018-05-24 13:36:04

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: 10 second questions


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#7919 2018-05-24 14:20:36

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

The solution #6529 is perfect. Neat work, Monox D. I-Fly!

#6530. (a) The length and the breadth of the rectangle are 8 centimeters and 5 centimeters respectively. Find the perimeter of the rectangle.

(b) Find the area of the rectangle whose length and breadth are 10 centimeters and 4 centimeters respectively.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7920 2018-05-24 23:15:37

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6531. The length of a rectangular hall is 5 meters more than its breadth. The area of the hall is 750 square meters. Find the length of the hall.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7921 2018-05-25 14:41:45

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6533. If the length and breadth of a rectangle are in the ratio 3:2 and its perimeter is 20 centimeters, find the area of the rectangle is square centimeters.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7922 2018-05-25 15:24:50

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: 10 second questions


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#7923 2018-05-25 15:49:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

The solution #6533 is perfect. Excellent, Monox D. I-Fly!

#6534. The length and breadth of a rectangle are increased by 20% and 25% respectively. Find the increase in the area of the resulting rectangle.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7924 2018-05-25 22:32:06

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6535. A path of uniform width runs round the inside of a rectangular field 38 meters long and 32 meters wide. If the path occupies 600 square meters, find the width of the path.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7925 2018-05-26 15:01:12

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: 10 second questions

Hi,

#6536. A parallelogram has sides 15 centimeters and 7 centimeters long. The length of one of the diagonals is 20 centimeters. Find the area of the parallelogram.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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