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HHHHHEEEEELLLLLPPPPPP

HHHHHEEEEELLLLLPPPPPP-example-1
User TesterDick
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1 Answer

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The length of an arc is given by θ/360×2πr, where θ is angle subtended by the arc to the center and r is the radius of the circle.
The length is 12 units, and θ/360 is 1/3
Therefore, 12 = 1/3 × 3.142 ×r
r = 12× 3/3.142
r = 11.457 units
≈ 11 units
User PVilaca
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