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#26 2008-08-06 00:40:20

Sudeep
Member
Registered: 2008-07-21
Posts: 20

Re: Coordinate Geometry

What is the distance in cm between two parallel chords of lengths 32 cm and 24 cm in a circle of radius 20 cm?

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#27 2008-08-08 05:53:07

integer
Member
Registered: 2008-02-21
Posts: 79

Re: Coordinate Geometry

There are two answers.
If you treat it as a 3-4-5 triangle, you don't need a calculator to get either result.

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#28 2011-12-28 03:24:52

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,045

Re: Coordinate Geometry

hi ganesh

#5

we have that the intersection of the first two lines is (5,5).We can check that that point lies on the third line. big_smile


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#29 2019-04-27 20:31:05

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

CG # 9. Find the distance between the points A(0, 6) and B(0, -2)


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#30 2019-04-28 04:01:27

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

CG#10. Find the distance of the point P(-6, 8) from the origin.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#31 2019-04-28 20:11:02

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

Re: Coordinate Geometry


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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#32 2019-04-28 21:47:11

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

The solution CG#10 is correct. Neat work, Monox D. I-Fly!

CG#11. Find the distance between the points (0,5) and (-5,0).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#33 2019-04-29 15:34:29

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

Re: Coordinate Geometry


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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#34 2019-04-29 16:27:21

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

The solution CG#11 is correct. Neat work, Monox D. I-Fly!

CG#12. Find the perimeter of a triangle with vertices (0,4), (0,0), and (3,0).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#35 2019-04-29 20:43:17

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

Re: Coordinate Geometry


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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#36 2019-04-30 00:35:46

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

The solution CG#12 is correct. Neat work, Monox D. I-Fly!

CG#13. Find the area of a triangle with vertices A(3,0), B(7,0), and C(8,4).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#37 2019-05-02 01:12:48

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

CG#14. If the distance between the points (4,0) and (1,0), then find the value of p.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#38 2019-05-03 02:55:08

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

CG#15. Find the slope of the straight line passing through the points (3,-2) and (7, 2).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#39 2019-05-04 15:37:01

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

CG#16. Find the slope of the straight line passing through (2, -4) and origin.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#40 2019-05-05 15:17:29

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

CG#17. Find the slope of the line

and
.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#41 2019-05-06 16:50:12

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

CG#18. Find the angle of inclination of the line passing through the points
i) (1,2) and (2,3)
ii)

and (0, 0).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#42 2019-05-07 16:56:57

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

CG#19. Find the angle of inclination of the line passing through the points  (-a, -b).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#43 2019-05-08 16:59:34

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

CG#20. The line joining the points A(0, 5) and B(4, 2) is perpendicular to the line joining the points C(-1, -2) and D(5,b). Find the value of b.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#44 2019-05-09 17:08:50

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

CG#21. Find the equation of the straight line passing through the points (-2, 5) and (3, 6).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#45 2019-05-09 17:14:50

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

CG#21. Find the equation of the straight line passing through the points (-2, 5) and (3, 6).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#46 2019-05-10 16:04:36

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

CG#22. The line joining the points A(-2, 3) and B(a, 5) is parallel to the line joining the points C(0, 5) and D(2, 1). Find the value of 'a'.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#47 2019-05-11 16:20:33

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

CG#23. Find the slope and y-intercept of the line whose equation is
(i) y = x + 1.
(ii) 5x = 3y.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#48 2019-05-12 17:05:21

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

CG#24.  Find the slope and y-intercept of the line whose equation is 4x - 2y + 1 = 0.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#49 2019-05-13 18:10:32

ganesh
Administrator
Registered: 2005-06-28
Posts: 31,664

Re: Coordinate Geometry

Hi,

.

CG#25. Find the slope and y-intercept of the line whose equation is 10x + 15y + 6 = 0.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#50 2019-05-14 13:29:43

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

Re: Coordinate Geometry


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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