Question
$BEST$ is a parallelogram. Find the values $x, y$ and $z$.
✓
Answer
$S$ is opposite to $B$.
So, $x = 100^\circ$ (opposite angles property)
$y = 100^\circ $ (measure of angle corresponding to $∠x)$
$z = 80^\circ $ (since $∠y, ∠z$ is a linear pair)
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