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First find the area of the whole circle then divide by 2. If the whole circle is not provided, multiply 2 and pi (3.14). Then multiply the product by the diameter to get the whole area. (If only the radius is given, multiply it by two and multilply that product to 3.14 x 2.) Then divide the area by 2.

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Q: How do you calculate area of a semi circle?

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A semi-circle is a two dimensional figure so it can have area but NOT volume. To find the area of a semi-circle see the question below.

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

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

Calculate the area of a rectangle and of the semicircle separately, then add.

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

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

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

The area of a semi-circle with a diameter of five is: 9.817 units2

how do you find the area of a semi circle

You take half the area of a circle in square feet. The formula is: 1/2 * pi * (radius)2

It's half of the area of the whole circle...

(pi*radius2)/2

Pi x R squared. = area of a circle.

To calculate the area of a circle use this formula: pi x r2.

Pi can be used to calculate the area of a circle Pi can be used to calculate the circumference of a circle

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

Area = pi*a*b where a and b are the semi-major and semi-minor axes.

Area = pi*a*b where a and b are the semi-major and semi-minor axes.

The area of a full circle is pi x R squared where R = RADIUS The area of a semi circle is half of that, or pi x R squared/2

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the area of the circle is Pi X Radius squared

39.27 square cm

Area: (pi)(r)2

The area of a circle is: pi times radius squared

Circle. That is the opposite of semi circle.