Parallelogram 62084

OPRS parallelogram with OP side 4 cm long, OS side 5 cm long, angle at the top P is 100 °. What is its area?

Correct answer:

S =  19.6962 cm2

Step-by-step explanation:

OP=4 cm OS=5 cm α=180100=80   sinα=h:OS h=OS sinα=OS sin80° =5 sin80° =5 0.984808=4.92404 cm  S=OP h=4 4.924=19.6962 cm2



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