Find the area of a parallelogram ABCD, AB = 6.5 cm and DE = 4 cm, wh – InterviewSolution

1.

Find the area of a parallelogram ABCD, AB = 6.5 cm and DE = 4 cm, where DE is perpendicular to AB

Answer»

ABCD is a parallelogram with AB = 4cm and BC = 6 cm and

Draw CE as a perpendicular from C onto AB. CE = BC SIN 30 = 6*1/2 = 3 cm. Hence area of the parallelogram = AB*CE = 4*3 = 12 sq cm.

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