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Last updated at May 29, 2018 by Teachoo
Transcript
Example 3 Find the radius of the circle in which a central angle of 60 intercepts an arc of length 37.4 cm (use = 22/7 ) Given = 37.4 cm and = 60 = 60 /180 radian = /3 radian By = / r = (37. 4)/( /3) = (37. 4)/(22/(7 3)) = 35.7 cm
Arc length
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