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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Area And Volume For 3D and 2D Shapes

Everything you need to know about calculating the area and volume of 2D and 3D shapes.

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