(pi*radius2)/2
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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
The area of a semi-circle with a diameter of five is: 9.817 units2
Area of a semi circle: (pi*radius2)/2 square feet
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