Question

if a (-5,7) b (-a,0) c (4,b) and d(1,2) are the vertices of a parallelogram abcd
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Answer 1

Answer:

Step-by-step explanation:

1. -a+1/2=4-5/2

-a+1/2=-1/2

-a+1=-1/2×2

2 and 2 will cut and

Value of a =2

Now,

B+7/2=0+2/2

B+7=2/2×2

2 and 2 will cut and

Value of b=-5