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You take half the area of a circle in square feet.

The formula is:

1/2 * pi * (radius)2

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Q: How do you calculate square foot of semi circle?
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Related questions

How do you calculate square footage of semi circle?

Area of a semi circle: (pi*radius2)/2 square feet


How do you find the area of a square with a semi-circle?

You add the area of the square with the area of the semi circle.


How do you find the area in a semi circle?

"Semi-circle" means half circle; so you just need to calculate the area of the corresponding full circle, and divide the result by 2.


What is the area of the semi-circle above?

to find the area of a semi circle measure the length of the straight edge, divide by 2, square it and multiply by pi. This will give you the area of the circle. To get the area of the semi-circle divide your answer by 2


A shape beginning with s?

A square,sphere,semi-circle,


What would be the area of a semi circle with a radius of 19.1m?

Area of the semi-circle = pi*19.12/2 = 573.042 square m to 3 decimal places


How do you calculate the perimeter of a semi circle?

The perimater of a circle is the same as the circumference of a circle, but if it's only a half of a circle (semi-circle) you would use the formula 2*pi*r/2 If it's a quarter of a whole circle, or a fifth of a circle, then you would divide it by 4 or 5.


What are the antonyms for semi circle?

Circle. That is the opposite of semi circle.


What do you call half of a circle?

A semi-circle


Shapes that start with s?

Square, Star, Semi-Circle. Possibly a sphere?


What shape has at least one line of symmetry and start with the letter s?

square, star, sphere,semi-circle


What is the area of a 10cm semi circle?

Well, darling, a semicircle is half of a circle, so to find the area you just take the area of a full circle and divide it by 2. The formula for the area of a circle is πr^2, so for a 10cm semicircle, you'd calculate it as 0.5 * π * 5^2, which gives you an area of 39.27 square centimeters. Voilà!