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