Mathematics, 23.07.2019 10:30, Savtheartist23
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. the radius of circle that is how it should be put as answer.
Answers: 1
x 2πr, you can solve for the radius. So, the radius of the circle is 7.5m. 
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An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. find th...
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