Question
Find the perimeter of the parallelogram $PQRS$.
✓
Answer
In a parallelogram, the opposite sides have same length.
Therefore, $PQ = SR = 12\ cm$ and $QR = PS = 7\ cm$
So, Perimeter $= PQ + QR + RS + SP$
$= 12 cm + 7 cm + 12 cm + 7 cm = 38\ cm$
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