Question

points a(3,1),b(5,1),c(a,b) and d(4,3) are vertices of a parallelogram abcd find the value of a and b

Answer 1

this is the required answer

Answer 2

Answer:

Step-by-step explanation:

When the vertexes are taken in order..

Mid point of AC=Mid point of BD

(3+a/2, 1+b/2)= (5+4/2, 1+3/2)

Since formula of mid pt is (x1+x2/2, y1+ y2/2)

Now..

3+a/2= 5+4/2

3+a=5+4

a=9-3

a=6

1+b/2= 1+3/2

1+b=1+3

b= 4-1

b= 3

Therefore, a = 6

b = 3

Hope it helps you...

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