A parallelogram has sides A, B, C, and D. Sides A and B have a length of #2 # and sides C and D have a length of # 9 #. If the angle between sides A and C is #(7 pi)/18 #, what is the area of the parallelogram?

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Answer 1 · 2017-07-09T18:03:47

The area is #=16.9#

#A=B=2#

#C=D=9#

The angle is #theta=7/18pi#

The area of the parallegram is

#=A*C*sintheta#

#=2*9*sin(7/18pi)#

#=16.9#