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High School Mathematics - 2
9.22 Co-ordinate Geometry Review

High School Mathematics - 2
9.22 Co-ordinate Geometry Review

Q 1: Show that the area of the triangle formed by the points (t,t-2), (t+3,t), (t+2,t+2) is independent of t.
Answer:

Q 2: Find the area of the triangle whose vertices are (4,4), (3,-2) and (-3,16).
Answer:

Q 3: Find the centroid of the triangles formed by the lines 2x-3y = 1, y+1 = 0 and 4x-5y = 1
(1/3,1/3)
(3,8)
(1,4)

Q 4: Determine the ratio in which y-x+2 = 0 divides the line joining (3,-1) and (8,9).
2:3 externally
2:3 internally
1:5 internally

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Question 6: This question is available to subscribers only!


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