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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. Then click Calculate.
19 cze 2024 · 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.
25 cze 2024 · The Area of a Semi-Circle Calculator is a useful tool to quickly determine the area of a semi-circle based on its radius. Simply enter the radius value into the tool and it will display Area of Semi Circle.
How the Calculator Works. Select if you want to use the radius or diameter (default is radius). For the value, you can choose a whole number, decimal or fraction. You can type a fraction by typing the numerator then '/' then the denominator.
Formula – How to calculate the radius of a semicircle from the diameter. Radius = Diameter ÷ 2. Example. A semicircle has a diameter of 20. Radius = 20 ÷ 2 = 10
The semi-circle area is calculated using the formula: \ [ \text {Area} = \pi r^2 \frac {a} {360} \] where: \ (r\) is the radius of the circle, \ (a\) is the arc angle in degrees (for a semi-circle, this is always 180 degrees).
23 sty 2024 · The Semicircle Area Calculator is a valuable tool designed to effortlessly determine the area of a semicircle based on its radius.
