In a circle,an arc of 10cm subtend angle of 60 degree at a center ,then find the the radius of the circle
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Answer:
9.545 cm
Step-by-step explanation:
Length of arc = (Θ / 360 )* 2Πr
10 = (60 / 360) * 2 * (22 / 7) * r
10 = (22 / 21) * r
r = 210 / 22 = 9.545 cm
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