Question

$ABCD$ is a parallelogram in which $\angle A={110}^{\circ }$, Find the measure of angle $\angle C$ ?

Answer 1

Given that $ABCD$ is a parallelogram.

So, the opposite angles are equal.

i.e., $\angle A=\angle C$ and $\angle B=\angle D$

Hence, $\angle C={110}^o$