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If arc lm = 20 ft, find the radius of N

If arc lm = 20 ft, find the radius of N-example-1
User GPierre
by
3.6k points

2 Answers

11 votes

Answer:

Explanation:

60° = ⅙ of 360°, so length of arc LM = ⅙ of 2πr.

20 = 2πr/6

r = 60/π ft

User Spotter
by
4.4k points
12 votes

Answer:

120 ft

Explanation:

60/360 or 1/6 of circle = 20 ft

full circle = 20 x 6 = 120 ft

diameter = 120/3.14 = 38.22 ft

radius = 38.22/2 = 19.11 ft

User Chetbox
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4.5k points