A parallelogram has sides A, B, C, and D. Sides A and B have a length of #5 # and sides C and D have a length of # 8 #. If the angle between sides A and C is #pi/2 #, what is the area of the parallelogram?

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Answer 1 · 2016-02-27T18:41:20

#40#

The quadrilateral #ACBD# is a rectangle, since #pi/2=90˚#. So its area is the product of its length and width.