Asked by JR 8
The lengths of two sides of a parallelogram are 7.4cm and 9.2cm and one of the diagonals has a length of 6.2 cm. Find the area of the parallelogram.
Answers
Answered by
Steve
get the angle θ between the sides using the law of cosines.
area = 9.2*7.4 sinθ
area = 9.2*7.4 sinθ
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