SOLUTION: If Angle a=60 degree, how long is arc BC? r=6cm. Say?
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Question 641199: If Angle a=60 degree, how long is arc BC? r=6cm. Say?
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
The length of the whole circumference is
The arc corresponding to is of that, so it measures
cm = cm = about 6.28 cm
Your teacher may have expected you to convert
to radians,
and then multiply that times the radius to get
cm = cm
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