gjvvy gjvvy
  • 26-05-2016
  • Mathematics
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I need help with this please

I need help with this please class=

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CitrusCafe
CitrusCafe CitrusCafe
  • 26-05-2016
The area of the first one would be the area of the rectangle minus the area of the circle, so 18*8 - (pi*3*3). That's equal to around 115.7257 inches squared.

The area of the second one would be the area of the triangle plus the area of the semicircle, so [(4*5)/2]*[(pi*2*2)/2]. That would be 20pi, or around 62.8319 ft squared

I'm not sure about the third one. Is it a trapezoid?
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