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109e4a685b
* Add an algorithm to find length and area of an arc of a circle * Updated to follow Javascript Standard Style * Update CircularArc.js * Update CircularArc.js * Add tests * Followed Javascript standard style
32 lines
956 B
JavaScript
32 lines
956 B
JavaScript
import { degreeToRadian } from './DegreeToRadian.js'
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/**
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* @function circularArcLength
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* @description calculate the length of a circular arc
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* @param {Integer} radius
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* @param {Integer} degrees
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* @returns {Integer} radius * angle_in_radians
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* @see https://en.wikipedia.org/wiki/Circular_arc
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* @example circularArcLength(3, 45) = 2.356194490192345
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*/
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function circularArcLength (radius, degrees) {
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return radius * degreeToRadian(degrees)
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}
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/**
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* @function circularArcArea
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* @description calculate the area of the sector formed by an arc
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* @param {Integer} radius
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* @param {Integer} degrees
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* @returns {Integer} 0.5 * r * r * angle_in_radians
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* @see https://en.wikipedia.org/wiki/Circular_arc
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* @example circularArcArea(3,45) = 3.5342917352885173
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*/
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function circularArcArea (radius, degrees) {
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return Math.pow(radius, 2) * degreeToRadian(degrees) / 2
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}
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export {
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circularArcLength,
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circularArcArea
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}
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