RJDA0107 RJDA0107
  • 09-03-2021
  • Mathematics
contestada

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

if arc lm 20 ft find the radius of N class=

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thebecks
thebecks thebecks
  • 09-03-2021

Answer:

120 ft

Step-by-step 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

Answer Link
DWRead
DWRead DWRead
  • 09-03-2021

Answer:

Step-by-step explanation:

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

20 = 2πr/6

r = 60/π ft

Answer Link

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