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The vertices of a convex pentagon are (-1, -1), (-3, 4), (1, 7), (6, 5) and (3, -1). What is the area of the pentagon?

Apr 3, 2020

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Draw a rectangle around the pentagon and you should get $$8 \cdot 9=72$$ $$units^2$$for the rectangle. After that, you subtract the triangles on the sides of the pentagon and the answer should be $$72-9-5-6-5=47$$$$units^2$$.

Apr 3, 2020

Draw a rectangle around the pentagon and you should get $$8 \cdot 9=72$$ $$units^2$$for the rectangle. After that, you subtract the triangles on the sides of the pentagon and the answer should be $$72-9-5-6-5=47$$$$units^2$$.