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If the radius of the circle is R, then the area of the whole circle is πR2

So the area of the semicircle is 0.5*Ï€R2

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Q: What formula is apply to find area of semi circle?
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Related questions

What is the formula doe for the area of a circle?

The formula to find the area of a circle is: A = pi * r2


Formula to find area of circle?

The area of a circle can be found with the formula (pi)r^2


Formula to find the area of circle?

Area of a circle = pi*radius2


Investigate the formula of the area of a circle?

The formula to find the area of a circle is pi x the radius squared.


What is the formula to find area of circle?

The formula to find area is you do the radius squared times pi or 3.14


Formula to find area of a circle?

The formula depends on the information available to you.


How do you find the area of a circle in square inches?

By using the formula: area of circle = pi*radius2


What is the radius and the area of a circle?

The radius of a circle is the distance from the center to any point on the circle. The area is the space within the circle. The formula to find the area is πr2. r stands for the radius of the circle. If you want to find the radius, you can work backwards from the area or the circumference, which is the perimeter of the circle. The formula for circumference is 2πr.


Why does the formula to find area of a circle always work?

a formula is alway correct


The formula used to find the area of a circle is?

Area = (pi) (R)2


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.


Formula to find area for circle?

The area of a circle = Pi*r2 where r is the radius and Pi is approximately equal to 3.14.