kukisbae
kukisbae kukisbae
  • 16-09-2019
  • Mathematics
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In need of help for pentagon area

In need of help for pentagon area class=

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musiclover10045
musiclover10045 musiclover10045
  • 16-09-2019

Find the area as iff it was a rectangle, then subtract the area of the triangle in the top left corner.

Area of rectangle = 20 x 18 = 360

Area of triangle = 1/2 x 4 x 3 = 6

Area of pentagon = 360 - 6 = 354 cm^2

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