SOLUTION: An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. Find the radius of the circle.
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Question 1065019: An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. Find the radius of the circle.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the circumference of the circle
I can say:
Multiply both sides by
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The formula for cicumference is:
m
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You can get another opinion, also
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