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Answer:
or
Step-by-step explanation:
Given:
A semicircle.
To find:
Arc length of the semicircle = ?
Solution:
Formula for angle subtended by an arc on the center of circle is given as:
where is the arc length and
is the radius of semicircle.
Angle of full circle is
So, angle of semicircle =
Using the formula, we can see that:
So, the answer is:
Arc Length of semicircle = or