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Here is a semicircle of radius x.
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Here is a semicircle of radius x.

Here is a semicircle of radius x.-example-1
User Steven Grosmark
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2 Answers

2 votes

Explanation:

Expression for Semicircle perimeter: xπ + 2x. (C)

Therefore x(π + 2) = 25.71 and x = 25.71 / (π + 2) = 5.

User NoDisplayName
by
7.5k points
1 vote

Answer:

a) C

b)

3.142x + 2x = 25.71

5.142x = 25.71

x = 5

User Rdnobrega
by
7.1k points
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