A parallelogram has sides A, B, C, and D. Sides A and B have a length of #9 # and sides C and D have a length of # 4 #. If the angle between sides A and C is #(5 pi)/8 #, what is the area of the parallelogram?

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Answer 1 · 2016-10-15T10:43:28

The area of the parallelogram is #33.26 sq.unit#

The area of the parallelogram is #A_p=s_1*s_2* sin theta#. Here #s_1=9;s_2=4; theta= (5*180)/8 =112.5^0 :. A_p= 9*4*sin112.5 =33.26 sq.unit#[Ans]