Question

PQRS is a parallelogram find x and y are given lengths are in cm​

Answer 1

$The  \: diagonals of parallelogram  \: bisect \: each \: other. \\ x + 7 = 20 \\ x = 20 - 7 \\ x = 13 \\ \\ put \: the \: value \: of \: x \: n \\ we \: found \: \\ x + y = 16 \\ 13 + y = 16 \\ y = 16 - 13 \\ y = 3$