js basic lab #19
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| // basic Math | ||
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| let points = 10; | ||
| let xpoints = 7; | ||
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| points += xpoints; | ||
| console.log(points); | ||
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| let donuts = 30; | ||
| let ateDonuts = 10; | ||
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| donuts -= ateDonuts; | ||
| console.log(donuts); | ||
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| function addition(a, b ){ | ||
| return a + b; | ||
| } | ||
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| function subtraction(){ | ||
| return a - b; | ||
| } | ||
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| function multiplication(a, b){ | ||
| return a * b; | ||
| } | ||
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| function division( a, b){ | ||
| return a / b; | ||
| } | ||
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| //Area | ||
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| let side = 4; | ||
| function areaSquare(side){ | ||
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| return Math.pow(4, 2); | ||
| } | ||
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| function areaRectangle(length, width){ | ||
| return length * width; | ||
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| } | ||
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| function areaParallelogram(base, height){ | ||
| return base * height; | ||
| } | ||
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| function areaTriangle(base, height){ | ||
| return (base * height) / 2; | ||
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| } | ||
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| function areaCircle(radius){ | ||
| return Math.PI * (radius * radius); | ||
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| } | ||
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| function areaSphere(radius){ | ||
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| return 4 * Math.PI * (math.pow(radius, 2)); | ||
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| } | ||
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| // surface area | ||
| let side = 4; | ||
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| function surfaceAreaCube(side){ | ||
| return 6 * Math.pow(side, 2); | ||
| } | ||
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| function surfaceAreaCylinder(PI, radius, height){ | ||
| return 2 * Math.PI * (radius * height); | ||
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| } | ||
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| // Perimeter | ||
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| function perimeterSquare(side){ | ||
| return 4 * side; | ||
| } | ||
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| function perimeterRectangle(length, width){ | ||
| return 2 * length + 2 * width; | ||
| } | ||
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| function perimeterTriangle(side, side, side){ | ||
| return side * 1 + side * 2 + side * 3; | ||
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| } | ||
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| function perimeterCircle(PI, diameter){ | ||
| return Math.PI * diameter; | ||
| } | ||
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| // volume | ||
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| function volumeCube(side){ | ||
| return Math.pow(side, 3); | ||
| } | ||
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| function volumeRectangularContainer(length, width, height){ | ||
| return length * width * height; | ||
| } | ||
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| function volumeCylinder(radius, height){ | ||
| return Math.PI * Math.pow(radius, 2) * height; | ||
| } | ||
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Remove testing logic after you finish