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Just enter the value of radius in the area of a semicircle calculator to compute the semicircle area within a blink of an eye. Area of a Semi-Circle: A semi-circle is half of a circle. Area of semi-circle formula is derived from the formula of a circle. Hence the area of a semi-circle is just the half of the area of a circle.


With this semicircle area calculator, you can quickly find the area of half of a circle.What is more, the tool also doubles as a semicircle perimeter calculator, so inputting radius or diameter will help you find the basic features of the shape in the blink of an eye.In the article below, we provide the semicircle definition and explain how to find the perimeter and area of a semicircle.


Area of a Semicircle Calculator A semicircle is nothing but half of the circle. So the area of a semicircle is when you cut a full circle into half you get the area of a semicircle. We know the formula to calculate area of a circle is πr^2, by dividing this by 2 we will get the area of a semicircle. Therefore, the formula to calculate area of ...


Calculations of geometric shapes and solids: the Semicircle. Semicircle Calculator. Calculations at a semicircle. Radius and diameter refer to the original circle, which was bisected through its center.Enter one value and choose the number of decimal places.


To find the perimeter of a semicircle we need to add the curved section of the semicircle and the length of the diameter at the bottom of the semicircle. We can find the perimeter of a semicircle with the help of this below formula: where, R = Radius of the semicircle Use our below online perimeter of a semicircle calculator to find the perimeter.


In the example shown you are asked to calculate the area of a semicircle of diameter 8cm. First half the diameter to give a radius of 4cm. Next, substitute r = 4 into the formula A = (Pi*r^2)/2.


Area of a circle formula. The formula for the area of a circle is π x radius 2, but the diameter of the circle is d = 2 x r 2, so another way to write it is π x (diameter / 2) 2.Visual on the figure below: π is, of course, the famous mathematical constant, equal to about 3.14159, which was originally defined as the ratio of a circle's circumference to its diameter.


To find the area of a semicircle, start by finding the area of the full circle using the formula πr^2, where r is the radius of the circle. If you don't know the radius, you can find it by dividing the diameter of the circle by 2. Once you've found the area of the full circle, just divide it by 2 to find the area of the semicircle.


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Area of a Semi-Circle Formula: A = (1/2) * π * r 2 Where, A = Area of Semicircle r = Radius Related Calculator: Area of a Semicircle Calculator; The area of the semicircle can be derived from the area of the circle. Half of the circle is semicircle. Hence, half of the area of the circle gives area of the semicircle.