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What is the area of a semi circle

User Dionisio
by
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2 Answers

6 votes
You just find the area of a circle then divide it by 2
Area = Radius × Radius ×
(22)/(7) (or pi)
Then divide your area by 2 and you get the semi-circle's area.
User Ryan Walker
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The area of a whole circle is (pi) (radius²) .

So the area of half of it would be (1/2) (pi) (radius²) .

If you don't know the radius, then you can use the formula

Area = (1/8) (pi) (diameter²) .


User Yanex
by
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