# College math

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in a circle of radius 7m, find the length of the arc subtended by a central angle of 42.0degrees

• College math -

2πR*(42/360)

• College math -

circumference = 14π

so

arc/14π = 42/360
arc = 14π(42/360) = appr 5.13 m

• College math -

Thank you both!

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