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

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

Jai Ganesh
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Posts: 45,956

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

666 bro
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From: Flatland
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Posts: 706

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

Jai Ganesh
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Posts: 45,956

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

666 bro
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From: Flatland
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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

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

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

666 bro
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From: Flatland
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Posts: 706

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

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

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

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 706

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

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

Re: Coordinate Geometry

Hi,

Neat work!

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


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

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 706

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

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

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

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 706

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

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

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 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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#190 2020-08-14 22:44:42

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


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

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#191 2020-08-15 00:06:23

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

Re: Coordinate Geometry

Hi,

Neat work!

CG#119. Find the vales of k if the points A(k+1,2k), B(3k,2k+3), and C(5k-1,5k) are collinear.


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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#192 2020-08-21 13:32:02

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


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

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#193 2020-08-21 14:17:40

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

Re: Coordinate Geometry

Hi,

Neat work!

CG#120. Name the type of quadrilateral formed, if any, by the following point and give reason for your answer.
(-1,-2), (1,0), (-1,2), and (-3,0).


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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#194 2020-08-28 16:22:24

666 bro
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From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


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

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#195 2020-08-28 18:17:34

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

Re: Coordinate Geometry

Hi,

Neat work!

CG#121. Name the type of quadrilateral formed, if any, by the following point and give reason for your answer.
(4,5), (7,6), (4,3), (1,2).


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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#196 2020-09-04 13:57:03

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


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

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#197 2020-09-04 22:10:35

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

Re: Coordinate Geometry

Hi,

Almost correct. Good attempt.

CG#122. Name the type of quadrilateral formed, if any, by the following point and give reason for your answer.
(-3,5), (3,1), (0,3), (-1,-4).


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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#198 2020-09-11 15:24:24

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


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

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#199 2020-09-11 19:46:12

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

Re: Coordinate Geometry

Well done!

CG#123. ABCD is a rectangle formed by the points A (-1,-1), B (-1,4), C (5,4), and D (5,-1). P, Q, R, and S are the mid-points of AB, BC, CD, and DA respectively. Is the quadrilateral PQRS a square, a rectangle, or a rhombus? Justify your answer.


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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#200 2020-09-18 16:25:00

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry

Last edited by 666 bro (2020-09-18 16:33:40)


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

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