Question

The following figure is a parallelogram.
Find $x+y$. (Lengths are in cm)

Answer 1

$RUNS$ is a parallelogram.

$RN$ and $US$ are its diagonals.

$\therefore$ They bisect each other

So we have, as per the figure,

$y+7=20cm⟹y=13cm$ and

$x+y=16$