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In a circle of diameter 56 cm, an arc subtends an angle of 60° at the centre, then what will be the length of arc. |
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Answer» Answer: Step-by-step EXPLANATION: DIAMETER of circle = 42cm angle substracted by arc = 60 degree = pie /3 now , d = arc/radius (length ) so , pie / 3 = length of arc / 21cm pie/3 * 21 = length of arc [ 3 WOULD CUT 21 BY 7] = length of arc is 7 pie CM [ ANSWER] |
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