Question

If P(1,2), Q(4,6), R(5, 7) and S(a, b) are the vertices of a parallelogram PQRS, then :
(1) a = 2, b = 4
(2) a = 3, b = 4
(3) a = 2, b = 3
(4) a = 3, b = 5​

Answer 1

Answer:

3...,

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Answer 2

ANSWER

As diagonals of parallelogram have a common mid-points,

⇒24+a=25+1

⇒a=2

⇒26+b=27+2

⇒b=3

⇒(c)

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