Commit 014a38b

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algorithm: volume of sphere (TheAlgorithms#1249)

* Added sphere volume * Fixed indentation * Added PR Suggestions

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	`1`	`+/**`
	`2`	`+ * This class represents a sphere and can calculate its volume and surface area`
	`3`	`+ * @constructor`
	`4`	`+ * @param {number} radius - The radius of the sphere`
	`5`	`+ * @see https://en.wikipedia.org/wiki/Sphere`
	`6`	`+ */`
	`7`	`+export default class Sphere {`
	`8`	`+ constructor (radius) {`
	`9`	`+ this.radius = radius`
	`10`	`+ }`
	`11`	`+`
	`12`	`+ volume = () => {`
	`13`	`+ return Math.pow(this.radius, 3) * Math.PI * 4 / 3`
	`14`	`+ }`
	`15`	`+`
	`16`	`+ surfaceArea = () => {`
	`17`	`+ return Math.pow(this.radius, 2) * Math.PI * 4`
	`18`	`+ }`
	`19`	`+}`

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	`1`	`+import Sphere from '../Sphere'`
	`2`	`+`
	`3`	`+const sphere = new Sphere(3)`
	`4`	`+`
	`5`	`+test('The Volume of a sphere with base radius equal to 3 and height equal to 5', () => {`
	`6`	`+ expect(parseFloat(sphere.volume().toFixed(2))).toEqual(113.1)`
	`7`	`+})`
	`8`	`+`
	`9`	`+test('The Surface Area of a sphere with base radius equal to 3 and height equal to 5', () => {`
	`10`	`+ expect(parseFloat(sphere.surfaceArea().toFixed(2))).toEqual(113.1)`
	`11`	`+})`

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