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Well the formula for a full circle is 3.14xradius squared

So cut the radius in half then square it the multiple by 3.14

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Q: What is the formula for finding the area of a semi circle in terms of pi?
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What is the formula for finding the area of a semi-circle in terms of pi?

semi means half A semi-circle is half a circle The formula for the area of a circle is A = (Π * r^2) Area of semi circle = (Π * r^2) ÷ 2


Is the formula for finding the area of an oval the same as the formula for finding the area of a circle?

No because the formula for finding the area of an oval, which is an ellipse, is quite different


What is formula ofr finding area of a circle?

Area of a circle = pi*radius squared


Why do you use the radius in the formula of finding the area of a circle?

Area of circle = pi*(radius)2


Formula for finding the area if you have radius?

Area of a circle = pi*radius2


What is the formula for finding circumference and area of a circle?

Circumference of a circle is (pi * diameter). Area of a circle is (pi * r2).


What is the formula for finding the area for a circle?

go to the related link below Titled (Calculate the Area of a Circle).


When finding the area of a circle is the answer squared?

The area of a circle is measured in square units. The formula is: pi*radius2


How do you find the radius of a circle when the area is given?

-- Take the formula for the area of the circle in terms of the radius . . . A = (pi) R2-- Solve that formula for 'R'. You'll then have a formula for the radius in terms of the area,which is exactly what you're looking for.


What is the formula for finding an area of a circle?

The area of a circle with a known radius can calculated using the following formula where r is the radius : A = Pi(r)2


What is the formula for finding diameter when given the area?

Assuming you mean a circle, use the formula for the area of a circle, which is usually expressed in terms of the radius, and solve for the radius. Then you can multiply that by two to get the diameter, since the diameter is twice the radius.


What is the formula used for finding area of a circle?

area= pie*(r^2) = πr2