Adding Pythagoras Theorem #1072

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	/**
	* @function calcHypothenuse
	* @description Calculate the length of hypothenuse of triangle
	* @param {Integer} side1 - Integer
	* @param {Integer} side2 - Integer
	* @return {Integer} - hypothenuse
	* @see [calcHypothenuse](https://en.wikipedia.org/wiki/Pythagorean_theorem)
	* @example calcHypothenuse(2, 3) = 4
	*/
	const calcHypothenuse = (side1, side2) => {
	const hypothenuse = Math.sqrt((side1 2) + (side2 2))
	return hypothenuse
	}
	/**
	* @function calcOtherSide
	* @description Calculate the length of other sides of triangle
	* @param {Integer} hypothenuse - Integer
	* @param {Integer} side1 - Integer
	* @return {Integer} - side2
	* @see [calcOtherSide](https://en.wikipedia.org/wiki/Pythagorean_theorem)
	* @example calcOtherSide(4, 3) = 2
	*/
	const calcOtherSide = (hypothenuse, side1) => {
	if (side1 >= hypothenuse) {
	return 'Length of side1 must be smaller than hypothenuse'
	}
	const side2 = Math.sqrt((hypothenuse 2) - (side1 2))
	return side2
	}

	export {
	calcHypothenuse,
	calcOtherSide
	}

16 changes: 16 additions & 0 deletions Maths/test/PythagoreanTheorem.test.js

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	import * as pytheorem from '../PythagoreanTheorem'

	test('Testing on hypothenuse calculation', () => {
	const hypothenuse = pytheorem.calcHypothenuse(6.0, 8.0)
	expect(hypothenuse).toBe(10.0)
	})

	test('Testing on other sides calculation', () => {
	const side = pytheorem.calcOtherSide(10.0, 6.0)
	expect(side).toBe(8.0)
	})

	test('Testing on other sides calculation', () => {
	const side = pytheorem.calcOtherSide(6.0, 10.0)
	expect(side).toBe('Length of side1 must be smaller than hypothenuse')
	})

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