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algorithm class: cone#1253
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /** | ||
| * This class represents a circular cone and can calculate its volume and surface area | ||
| * https://en.wikipedia.org/wiki/Cone | ||
| * @constructor | ||
| * @param {number} baseRadius - The radius of the base of the cone. | ||
| * @param {number} height - The height of the cone | ||
| */ | ||
| export default class Cone { | ||
| constructor (baseRadius, height) { | ||
| this.baseRadius = baseRadius | ||
| this.height = height | ||
| } | ||
| baseArea = () => { | ||
| return Math.pow(this.baseRadius, 2) * Math.PI | ||
| } | ||
| volume = () => { | ||
| return this.baseArea() * this.height * 1 / 3 | ||
| } | ||
| surfaceArea = () => { | ||
| return this.baseArea() + Math.PI * this.baseRadius * Math.sqrt(Math.pow(this.baseRadius, 2) + Math.pow(this.height, 2)) | ||
| } | ||
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| import Cone from '../Cone' | ||
| const cone = new Cone(3, 5) | ||
| test('The Volume of a cone with base radius equal to 3 and height equal to 5', () => { | ||
| expect(parseFloat(cone.volume().toFixed(2))).toEqual(47.12) | ||
| }) | ||
| test('The Surface Area of a cone with base radius equal to 3 and height equal to 5', () => { | ||
| expect(parseFloat(cone.surfaceArea().toFixed(2))).toEqual(83.23) | ||
| }) |
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