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What is the area of a semicircle with a diameter of 40

What is the area of a semicircle with a diameter of 40
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5 votes
What is the area of a semicircle with a diameter of 40

User Igor Tkachenko
by
8.2k points

2 Answers

5 votes
pi * r^2 ...diameter = 40 therefore radius is 20 ....20^2 = 400 ...400 ...pi = 3.14....400 *3.14 = 1256
User Monsur
by
8.8k points
2 votes
40 / 2 = 20
20 = radius

20 x 20 = 400 x 3.14 = 1256 / 2 = 628

628 would be your area if im not mistaken
User Branko Dimitrijevic
by
8.4k points
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