radius of a circle whose circumference is 15.7
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Answer:
The formula for the circumference (\(C\)) of a circle is given by \(C = 2 \pi r\), where \(r\) is the radius. You want to find the radius, so you can rearrange the formula to solve for \(r\):
\[ r = \frac{C}{2 \pi} \]
Given that the circumference (\(C\)) is 15.7, you can substitute this value into the formula:
\[ r = \frac{15.7}{2 \pi} \]
This will give you the radius of the circle. Calculate the numerical value for \(r\) using the approximation \(\pi \approx 3.14\).
Answer:
it's simple. 2πr= 15.7 = 44 by 7r = 15.7 = r = 15.7 * 7by44 2.49
Step-by-step explanation:
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