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Earn +20 ptsQ: What is the area of a semicircle with diameter 20m?
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Continue Learning about Math & Arithmetic
How do you find the area of a semi-circle if you know the diameter?
A semicircle is 1/2 of a circle. Find the area with the diameter you are given as if you had a whole circle, then divide that answer by 2 to get the area of the semicircle.
How do you find the diameter of a semicircle when radius is given?
The diameter of the semicircle will be twice the radius.
What is the approximate area of a semicircle with a diameter of 22 inches?
A semicircle is half a circle, so its area is half that of a circle: radius = 1/2 diameter = 22 ÷ 2 = 11 area = 1/2πr2 = 1/2π112 ~= 190 sq in
What is the width of a semicircle with an area of 180ft squared?
The diameter of the circle is 21.4 feet, approx.
Which solid is formed when a semicircle is revolved about a line containing the diameter of the semicircle?
a sphere
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