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#176 2020-06-30 22:56:33

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 334

Re: Coordinate Geometry

CG#111: the coordinates of third vertex are ( 0, ±3√(3) ).


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#177 2020-07-01 22:49:54

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Coordinate Geometry

Hi,

Neat work!

CG # 112. Find which type of quadrilateral with vertices (0,-1), (6,7), (-2,3), and (8,3) is formed.


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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#178 2020-07-03 23:58:35

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 334

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#179 2020-07-04 00:24:54

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Coordinate Geometry

Neat work!

CG#113. Find the coordinates of the circumcentre of the triangle whose vertices are (8,6), (8,-2), and (2,-2).Also find its circumradius.


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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#180 2020-07-11 01:08:41

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 334

Re: Coordinate Geometry

Last edited by 666 bro (2020-07-11 01:08:57)


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#181 2020-07-11 01:30:21

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Coordinate Geometry

Hi,

Well tried!

CG # 114. Write the coordinates of the center of a circle passing through the points (9,3), (7,-1), and (1,-1). Find the radius of the circle.


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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#182 2020-07-17 15:26:59

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 334

Re: Coordinate Geometry

Last edited by 666 bro (2020-07-17 15:27:14)


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#183 2020-07-17 15:58:01

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Coordinate Geometry

Hi,

Good work!

CG # 115. (a) A (6,0) is a point on a circle with center (0,0). Find the radius of the circle.

(b) Show that

are the points on this circle.


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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#184 2020-07-24 14:46:50

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 334

Re: Coordinate Geometry

Last edited by 666 bro (2020-07-24 14:47:08)


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#185 2020-07-24 19:37:08

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Coordinate Geometry

Hi,

Neat work!

CG#116. Find the lengths AB, BC, AC in CG#115. Find


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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#186 2020-08-01 01:29:25

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 334

Re: Coordinate Geometry

Last edited by 666 bro (2020-08-01 01:31:36)


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#187 2020-08-01 13:23:45

ganesh
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Registered: 2005-06-28
Posts: 30,869

Re: Coordinate Geometry

Hi,

Partially correct. Good work!

CG#117. Prove that the points A(1,-3), B(-3,0), and C(4,1) are the vertices of a right isosceles triangle.


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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#188 2020-08-07 21:23:57

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 334

Re: Coordinate Geometry

Last edited by 666 bro (2020-08-07 21:24:14)


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#189 2020-08-08 00:03:55

ganesh
Administrator
Registered: 2005-06-28
Posts: 30,869

Re: Coordinate Geometry

Hi,

Neat work!

CG # 118. Show that A(6,4), B(5,-2), and C(7,-2) are the vertices of an isosceles triangle.


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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