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What is the exact area of a semicircle with diameter of 28 inches?

User Leejmurphy
by
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2 Answers

2 votes
The answer is 307.72


(\pi * {14}^(2) )/2
User Tomfanning
by
8.7k points
4 votes

Answer:

98 pi inches ^2

Explanation:

We know that the diameter is 28 inches

The radius is 1/2 diameter

r = 14 inches

Area of a circle is pi * r^2

A = pi r^2

= pi (14)^2

= 196 pi

A semi circle is 1/2 of a circle,so we take 1/2 the area

A semi circle = 1/2 A circle

= 1/2 (196 pi)

= 98 pi inches ^2

User Weijen
by
8.0k points

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