Question

PQRS is a parallelogram . QM is the height frim Q to SR and QN is the height from Q to ps. If SR = 12 cm and QM = 8cm . find : the area if parallelogram PQRS , QN if PS =3 cm
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Answer 1

Given: SR=12cm, QM=7.6cm, PS=8cm.

Area of parallelogram=base×height

=12×7.6=91.2cm

2

.

Area of parallelogram=base×height

⇒91.2=8×QN

⇒QN=

8

91.2

=11.4cm.