Question

in the given fig . pqrs is a parallelogram​

Answer 1

Answer:

2y + 2 = 3x (opposite side of parallelogram are equal)

now, perimeter = 84

2(3x + 2x) = 84

10x = 84

x = 8.4 cm

so 2y + 2 = 3 x 8.4

2y = 25.2 - 2

2y = 23.2

y = 11.6 cm