Question

14. If the points A (-2, -1), B (1,0), C (p. 3) and D (1, q) form a parallelogram ABCD, find the
values of p and Q.
15. Prove that the points A(-5, 4), B(-1, -2) and C (5,2) are the vertices of an isosceles right-
angled triangle. Find the co-ordinates of D so that ABCD is a square.
16. Find the third vertex of a triangle if its two vertices are (-1, 4) and (5, 2) and mid-point of
one side is (0,3).
17. Find the value of p for which the points (-5, 1), (1, p) and (4, -2) are collinear
18.A (10,5), B (6,-3) and C(2, 1) are the vertices of a triangle ABC. L is the mid-point of AB and
Mis the mid-point of AC. Write down the co-ordinates of Land M.
Show that LM = BC​

Answer 1

Answer:

Step-by-step explanation:

14. Ans Solve by

Midpoint of AC= Midpoint of BD