what is the formula for semi circle
is it 1/2 pi xd+d or some thing
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Answer:
In the case of a circle, the formula for area, A, is A = pi * r^2, where r is the circle's radius. Since we know that a semicircle is half of a circle, we can simply divide that equation by two to calculate the area of a semicircle. So, the formula for the area of a semicircle is A = pi * r^2/2.
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Step-by-step explanation:
The area of a shape is the amount of space that it encloses. In the case of a circle, the formula for area, A, is A = π * r^2, where r is the circle's radius. Since we know that a semicircle is half of a circle, we can simply divide that equation by two to calculate the area of a semicircle.
So, Formula for the area of a semicircle is A = (π * r^2)/2.
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