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anonymous
 one year ago
A patio in the shape of a semicircle has a diameter of 21 ft.
What is the approximate area of the patio, rounded to the nearest square foot?
Use 3.14 to approximate pi star times.
anonymous
 one year ago
A patio in the shape of a semicircle has a diameter of 21 ft. What is the approximate area of the patio, rounded to the nearest square foot? Use 3.14 to approximate pi star times.

This Question is Closed

Australopithecus
 one year ago
Best ResponseYou've already chosen the best response.0The area of a circle is pi*r^2 where r is the radius radius = diameter/2 Since it is a semi circle it is half a circle and therefore will have half the area of a full circle. Thus divide the area you get by 2 to get the area of the semi circle
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