help12345674
help12345674 help12345674
  • 15-05-2022
  • Mathematics
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radius of a semi circle

radius of a semi circle class=

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todoroxi77
todoroxi77 todoroxi77
  • 15-05-2022
The area for semi circle is: (pi)(r^2)/2

A= 3.142 x (8.2)^2 / 2

A= 110.8 cm^2
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justincase1417r justincase1417r
  • 15-05-2022
A=3.142*r^2
Area of the circle= 3.142*8.2^2
=211.26
Because it’s a semicircle, divide by two.
211.26/2 = 105.6
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