A parallelogram has sides A, B, C, and D. Sides A and B have a length of #3 # and sides C and D have a length of # 4 #. 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 · 2016-11-08T07:31:31

Area of a parallelogram is #11.2764#

If the two sides of a parallelogram are #a# and #b#

and included angle is #theta#

Area of parallelogram is #axxbxxsintheta#

Hence area of the given parallelogram is #3xx4xxsin((7pi)/18)#

= #3xx4xx0.9397=11.2764#