Question

Two adjacent angles of a parallelogram are ${70}^{\circ }$ and ${110}^{\circ }$ respectively. Find the other two angles of it.

Answer 1

In a parallelogram measure of each pair of opposite angles are equal.
By using the above property remaining two angles of parallelogram are as shown below,

Hence, The other two angle are ${70}^{\circ }$ and ${110}^{\circ }$ respectively.