Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

Login

Username

Password

Not registered yet?

#201 2009-04-05 23:45:55

ganesh
Moderator

Offline

Re: Exercise

A triangle has sides of lengths 3 cm, 4 cm, and 5 cm. What is the area of the circle inscribed in the triangle?


Character is who you are when no one is looking.
 

#202 2009-04-05 23:55:51

ganesh
Moderator

Offline

Re: Exercise

Each side of an equilateral triangle is 42 cm. What is the area of the circle inscribed in it?


Character is who you are when no one is looking.
 

#203 2009-04-06 00:16:31

ganesh
Moderator

Offline

Re: Exercise

The perimters of a circular and square field are equal. What is the diameter of the circular field if the area of the square field is 484 m?


Character is who you are when no one is looking.
 

#204 2009-04-06 00:33:11

ganesh
Moderator

Offline

Re: Exercise

What is the area of the largest circle that can be drawn inside a rectangle of sides 14 cm and 18 cm?


Character is who you are when no one is looking.
 

#205 2009-04-06 00:40:30

ganesh
Moderator

Offline

Re: Exercise

The area of a circle is increased by 22 cm when its radius is increased by 1 cm. What is the original radius of the circle?


Character is who you are when no one is looking.
 

#206 2009-04-06 00:57:33

ganesh
Moderator

Offline

Re: Exercise

The area of a square field is 6050 m. What is the length of its diagonal?


Character is who you are when no one is looking.
 

#207 2009-04-06 03:14:45

ganesh
Moderator

Offline

Re: Exercise

What is the area of the largest triangle that can be inscribed in a semicircle of radius r cm?


Character is who you are when no one is looking.
 

#208 2009-04-06 03:23:09

ganesh
Moderator

Offline

Re: Exercise

A circle is inscribed in a square. An equilateral triangle of side 4√3 units is inscribed in that circle. What is the length of the diagonal of the square?


Character is who you are when no one is looking.
 

#209 2009-04-06 03:35:39

ganesh
Moderator

Offline

Re: Exercise

The area of a right-angled triangle is 20 cm and one of the sides containing the right angle is 4 cm. What is the altitude on the hypotenuse in cm?


Character is who you are when no one is looking.
 

#210 2009-04-06 03:50:02

ganesh
Moderator

Offline

Re: Exercise

Thea rea of a rhombus is 2016 cm and its side is 65 cm. What are the lengths of its diagonals?


Character is who you are when no one is looking.
 

#211 2009-04-06 14:26:56

ganesh
Moderator

Offline

Re: Exercise

The areas of two smilar triangles are 12 cm and 48 cm. If the height of the samller traingle is 2.1 cm, then what is the corresponding height of the bigger triangle?


Character is who you are when no one is looking.
 

#212 2009-04-06 14:37:37

ganesh
Moderator

Offline

Re: Exercise

The difference between the radii of the smaller circle and the bigger circle is 7 cm and the difference between the ares of the two circles is 1078 cm. What is the radius of the smaller circle?


Character is who you are when no one is looking.
 

#213 2009-04-06 14:48:29

ganesh
Moderator

Offline

Re: Exercise

The sides of a triangle are in the ratio

.
If the perimeter of the triangle is 52 cm, what is the length of the smallest side?


Character is who you are when no one is looking.
 

#214 2009-04-06 14:54:57

ganesh
Moderator

Offline

Re: Exercise

If the height of a triangle is decreased by 40% and its base is increased by 40%, what would be the effect on its area?


Character is who you are when no one is looking.
 

#215 2009-04-06 15:11:45

ganesh
Moderator

Offline

Re: Exercise

A circle and rectangle have the same perimter. The sides of the rectangle are 18 cm and 26 cm. What is the area of the circle?


Character is who you are when no one is looking.
 

#216 2009-04-07 03:12:08

ganesh
Moderator

Offline

Re: Exercise

Find the value of a if


is divisible by (x-1).


Character is who you are when no one is looking.
 

#217 2009-04-07 03:37:46

ganesh
Moderator

Offline

Re: Exercise

Find the value of a and b is


is a factor of
.


Character is who you are when no one is looking.
 

#218 2009-04-07 04:21:48

ganesh
Moderator

Offline

Re: Exercise

If (x-2) is a common factor of


and
,
find the values of a and b.


Character is who you are when no one is looking.
 

#219 2009-04-07 04:43:38

ganesh
Moderator

Offline

Re: Exercise

If (x-7) and (x-4) are factors of

,
find the values of p and q.


Character is who you are when no one is looking.
 

#220 2009-04-07 04:54:45

ganesh
Moderator

Offline

Re: Exercise

If (x-1), (x+2), and (x-2) are factors of

,
find a, b, and c.


Character is who you are when no one is looking.
 

#221 2009-04-07 05:27:52

ganesh
Moderator

Offline

Re: Exercise

Find the sum of the numbers

.


Character is who you are when no one is looking.
 

#222 2009-04-07 05:44:20

ganesh
Moderator

Offline

Re: Exercise

Find the sum of the numbers

.


Character is who you are when no one is looking.
 

#223 2009-04-07 06:08:47

ganesh
Moderator

Offline

Re: Exercise

What is the sum of

?


Character is who you are when no one is looking.
 

#224 2009-04-07 06:30:17

ganesh
Moderator

Offline

Re: Exercise

What is the sum of

?


Character is who you are when no one is looking.
 

#225 2009-04-07 06:41:41

ganesh
Moderator

Offline

Re: Exercise

What is the value of

?


Character is who you are when no one is looking.
 

Board footer

Powered by FluxBB