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what is the formula of area of a semi circle. If you dont know the radius you can find it by dividing the diameter of the circle by 2. Once youve found the area of the full circle just divide it by 2 to find the area of the semicircle.
Semi Circle Sector Area Math Questions Geometry Geometric from www.pinterest.com
An alternative method is to use the diameter which is twice the length of the radius. The formula for how to find Area of a Semicircle is area equals pi times the radius squared then divided by two. Area of a Semi-Circle Formula.
The actual value is p 4 0785398.
This area formula is useful for measuring the space occupied by a circular field or a plot. The area formula is. The area of a regular polygon is half its perimeter multiplied by the distance from its center to its sides and the corresponding formulathat the area is half the perimeter times the radiusnamely A 1 2 2pr r holds in the limit for a circle. C p r 2.
