PQRS is a parallelogram. QM is the height from Q to SR and SN is the height from S to
QR . If SR=18 cm and QM= 6 cm , Find :
a)the area of parallelogram PQRS.
b)the length of SN if QR = 12 cm.
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½*b*his equal to ½*12cm*h because parallelogram's half part is same triangle only base is changed according to query
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