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Quadrilaterals

Let PQRS be a...

Question

Let PQRS be a parallelogram with PQ=10 cm and QR=6 cm. Calculate the measures of the other two sides and the perimeter of PQRS.

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Solution

$P Q = R S = 10 c m$ (opposite sides of a parallelogram)
$Q R = S P = 6 c m$ (opposite sides of a parallelogram)
Perimeter of parallelogram is calculated as,
$P = P Q + Q R + R S + S P$
$∴ P = 10 + 6 + 10 + 6$
$∴ P = 32 c m$

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