A circle with a radius of 12 inches has an arc that measures 8 pi inches. Find the measure of the central angle determined by th
is arc.
1 answer:
We know that
[length of a circle]=2*pi*r
r=12 in
[length of a circle]=2*pi*12--------------> 24pi in
if 360° (full circle)--------------------> has a length of 24pi in
X-------------------------------------------> 8pi
X=8pi*360/24pi-----------> 120°
the answer is 120°
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