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Arlecino [84]
2 years ago
8

A circle has a radius of 12.6 cm.

Mathematics
1 answer:
d1i1m1o1n [39]2 years ago
5 0
Circumference = 2 * PI * radius
circumference = 2 * PI * 12.6
If the central angle is 120°, then the arc will be exactly one third of the circumference.
arc length = (2 * PI * 12.6) / 3
arc length = 8.4 PI


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