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The value of circumference of a semicircle of radius 10 cm is ____.

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Detailed Solution

The value of circumference of a semicircle of radius 10 cm is

10 π

cm.
Given, radius of the semicircle is 10 cm.
We know that value of the circumference of the circle is

2 πr

.
The circumference of the semicircle is half of the value of the circumference of the circle.
So the value of circumference of the semicircle is

\frac{2 πr}{2} = πr

= 10 π cm

So, the circumference is

10 π

cm.
Hence, the correct answer is

10 π

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