Semicircle calculator is a free online tool used for finding the area of a semicircle. BYJU’S online semicircle calculator is simple, easy to use and access. Enter the radius of a circle in the input field. The tool will display the area of the semicircle in the output field.
To recall, a semicircle is half a circle. The formula for the area of semi-circle can be calculated from the area of a circle formula. Therefore, the area of the semicircle is half of the area of the circle.
Finding Semicircle Area
To obtain the area of a semicircle, enter the radius value in the semicircle calculator. The formula used to find the area of a semicircle is
A = (½) πr2 square units
Here, π is a constant value
The value of π is approximately taken as 3.14 or 22/7.