O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Exercise 5: Chapter Test

Find the value of $a$ and $b$ in the parallelogram $ABCD$.

Find the measure of the lettered angles in the rectangle $PQRS$.

Find the measures of the lettered angles in the rhombus $MNPQ$.

In the given kite $ABCD$, $\angle OBC=58°$ and $\angle DAB=50°$, find the measure of $\angle BCD$.

In the given kite $ABCD$, $\angle OBC=58°$ and $\angle DAB=50°$. If$\angle DAO=k°$,then find the value of $k$.

In the given kite $ABCD$, $\angle OBC=58°$ and $\angle DAB=50°$, find the measure of $\angle ODA$.

In the given kite $ABCD$, $\angle OBC=58°$ and $\angle DAB=50°$, find the measure of $\angle ADC$.

$PQ$ and $QR$ are midsegments of $△ABC$ and $AB=BC$. Prove that $BPQR$ is a rhombus.