PQRS is a parallelogram. QM is the height from Q to SR and QN is the height from Q to PS. If SR =12 cm and QM = 7.ygm.Find
(a) the area of the parallegram PQRS
(b) QN, if PS =8cm
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(a) Given, Base = 12 cm, Height = 7.6 cm
Area of the parallelogram PQRS = Base × Height
=12cm×7.6cm=91.2 sq cm
(b) Given; Base PS = 8cm, Area of the parallelogram(as calculated in the above question) = 91.2 cm2, Height QN= ?
Area = Base × Height
⇒91.2cm2=8cm× QN
Or, QN=91.28=11.4 cm
Area of the parallelogram PQRS = Base × Height
=12cm×7.6cm=91.2 sq cm
(b) Given; Base PS = 8cm, Area of the parallelogram(as calculated in the above question) = 91.2 cm2, Height QN= ?
Area = Base × Height
⇒91.2cm2=8cm× QN
Or, QN=91.28=11.4 cm
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