What is the length of the arc on a circle with radius 10 cm intercepted by a 20° angle? use 3.14 for π .?
Radius is 10 cm
circle circumference = 2 PI 10
circle circumference = 62.8
Arc is (20/360) of the circle
Arc = (20/360) * 62.8 =
3.4888 cm
Length of Arc is 3.5 cm Approx.
Given that;
Radius of circle = 10 cm
Angle = 20°
Find:
Length of Arc
Computation:
Length of Arc = [θ / 360]2πr
Length of Arc = [20 / 360](2)(3.14)(10)
Length of Arc = [0.055][62.8]
Length of Arc = 3.454
Length of Arc = 3.5 cm Approx.
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