SOLUTION: A circle has a radius of 5 cm ..what is the length of an arc measuring 80 degrees
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Question 452433: A circle has a radius of 5 cm ..what is the length of an arc measuring 80 degrees
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
A circle has a radius of 5 cm ..what is the length of an arc measuring 80 degrees
.
circumference of a circle = d(pi)
circumference of a circle = 2r(pi)
circumference of a circle = 2(5)(3.14)
circumference of a circle = 31.4 cm
.
Since there is 360 deg in a circle:
length of the arc must be:
80/360 * 31.4 = 6.98 cm
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