Area And Volume For 3D and 2D Shapes

Andrea Leyden
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cortash55
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Andrea Leyden
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Everything you need to know about calculating the area and volume of 2D and 3D shapes.
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Area And Volume For 3D and 2D Shapes
1 2D
1.1 Areas
1.1.1 Square
1.1.1.1 h x w
1.1.2 Circle
1.1.2.1 π x r²
1.1.3 Rectangle
1.1.3.1 h x w
1.1.4 Triangle
1.1.4.1 b x h ÷2
1.1.5 Trapezium
1.1.5.1 (a + b) /2 x h
1.1.6 Parallelorgram
1.1.6.1 b x h
1.2 Diameters
1.2.1 Square
1.2.1.1 L x 4
1.2.2 Circle (Circumference)
1.2.2.1 pi x d
1.2.3 Parallelogram / Rectangle
1.2.3.1 (h x 2) + (l x 2)
2 3D Shapes
2.1 Volume
2.1.1 Cube
2.1.1.1 L x W x H
2.1.2 Cuboid
2.1.2.1
2.1.3 Cylinder
2.1.3.1 (Pi x r^2) x H
2.1.4 Square Pyramid
2.1.4.1 (B x H) ÷ 3
3 Other Formulae
3.1 Circumference (C)
3.1.1 Pi x diameter
3.1.1.1 Diameter - length between longest sides of circle
3.1.1.2 Pi - 3.14
3.2 Length (L)
3.2.1 Longest side of the shape
3.3 Width (W)
3.3.1 Second longest side of shape
3.4 Base (B)
3.4.1 3D
3.4.1.1 L x W
3.4.2 2D
3.4.2.1 Furthest line in the south
3.5 Radius (R)
3.5.1 Diameter ÷2

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