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lorasvet [3.4K]
2 years ago
5

Use the formula C-2ar to find the radius, r, for a circle with a circumference of 125 centimeters. Round your answer to the

Mathematics
1 answer:
julsineya [31]2 years ago
3 0

Option A

The radius of circle is 19.90 cm

<h3><u>Solution:</u></h3>

The formula for circumference of circle is given as:

C = 2 \pi r

Where,

"C" is the circumference of circle

"r" is the radius of circle

\pi is a constant equal to 3.14

Given that, circumference = 125 cm

To find: Radius of circle

<em><u>Substitute the given value of "C" = 125 in formula</u></em>

125 = 2 \times 3.14 \times r\\\\125 = 6.28 \times r\\\\r = \frac{125}{6.28}\\\\r = 19.90

Thus radius of circle is 19.90 cm

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