The circumference of a circle is 75 inches. Which expression gives the length in in...
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Problem
The circumference of a circle is 75 inches. Which expression gives the length in inches of an arc subtended by a 72 degree central angle?
Step-by-step solution
The length of an arc is a fraction of the circumference, determined by the ratio of the central angle to 360 degrees. The arc length is $(72/360) * 75$.
Answer
\frac{72}{360} \cdot 75