Question

formula for area of semicircle
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Answer 1

The area of a semicircle is half of the area of the circle. As the area of a circle is πr2. So, the area of a semicircle is 1/2(πr2 ), where r is the radius. The value of π is 3.14 or 22/7. Half a circle. A closed shape consisting of half a circle and a diameter of that circle*.A semicircle is a half circle, formed by cutting a whole circle along a diameter line, as shown above. Any diameter of a circle cuts it into two equal semicircles.An alternative definition is that it is an open arc.Area of a semicircle

The area of a semicircle is half the area area of the circle from which it is made. Recall that the area of a circle is πR2, where R isSo, the formula for the area of a semicircle is:

Area =  

π  R 2  

2 the radius.

Answer 2

Answer:

Definition :- A semicircle is formed when a lining passing through the centre touches the two ends of a circle.

Area :- The area of a semicircle is half of the area of circle.

As the area of circle is πr2

Area of semicircle is 1/2 πr2

Where r is the radius and the value of π is 3.14 or 22/7

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