Question

prove that the points A(-2,-1),B (1,0),C(4,3)andD(1,2) are the vertices of parallelogram ABCD​

Answer 1

Answer:

these points are drawn on graph

e.g (2,4) = 2 is x-axis and 4 is y-axis

first term in brackets is always points of x-axis and vice versa

Answer 2

Answer:

YOU NEED TO SOLVE FIRST TRIANGLE ABC BY TRIANGLE FORMULA AND SAME FOR TRIANGLE BCD BY TRIANGLE FORMULA.

WHEN YOU WILL GET BOTH THE ANSWERS , ADD THEM AND WRITE YOUR ANSWER IN SQUARE UNIT.