Given that $ABCD$ is a parallelogram, where $AB$ is parallel to $CD$ and $AD$ is parallel to

Question

Given that $ABCD$ is a parallelogram, where $AB$ is parallel to $CD$ and $AD$ is parallel to $BC$, find the value(s) of the unknown(s) in each of the following figures, stating your reasons clearly.

Accepted Answer

(i) $x=50^\circ$, $y=65^\circ$ (ii) $w=33^\circ$, $x=57^\circ$, $y=33^\circ$, $z=90^\circ$

Quadrilaterals

Quadrilaterals

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