Question

if P (1,2),Q(4,6) R(5,7) and S(a,b) are the vertices of parallelogram PQRS then
a)a=2,b=4
b)a=3,b=4
c)a=2,b=3
d)a=3,b=5
full step by step explanation needed!!please faster​

Answer 1

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c)a=2,b=3