Answer :
The length of the arc on a circle of radius, r= 15 inches intercepted by a central angle, θ = 180° is; 47.13 inches
Length of an arc:
The length of an arc subtended within a circle is usually a fraction of the circumference of the circle.
In essence, the mathematical formula for evaluating the length of an arc within a circle is;
- Length of an arc = θ/360 × 2πr
- L = (180/360) × 2×3.142 × 15.
- L = 47.13 inches.
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