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A parallelogram PQRS has one side QR=5cm and its altitude PM=3.6cm. if PN prependicular to RS and PN=4.5cm, find the other side. Please answer it. urgent.



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Area = b x h
= 5 x 3.6 
= 18 cm²
now, taking RS as the base,
area = b x h
⇒ 18 = b x 4.5 
⇒ b = 18 / 4.5 = 4 cm
so RS = 4cm
1 5 1
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