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### High School Mathematics - 29.22 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 externally2:3 internally1:5 internally Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!

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