Question

In the given figure, $ABCD$ is a rhombus in which $\angle BCD={110}^o$, find $(x+y)$.

Answer 1

As we know that in a rhombus, adjacent angles are supplementary.

$\therefore \angle B+\angle C=180°$

$\Rightarrow 110°+(x+y)=180°$

$\Rightarrow x+y=180°-110°=70°$