# Mathematics

• Created by: Asterid
• Created on: 16-08-15 18:23
How do you work out the area of a trapezuim?
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How do you work out the area of a circle?
Square the radius and multiply by pi. A=πr2
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How do you work out the circumferance of a circle?
Double the radius and multiply by pi or multiply the diameter by pi. C=2πr or C=πd
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How do you work out the volume of a prism?
Multiply the cross sectional area of the prism by its length.
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How do you work out the surface area of a sphere?
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How do you work out the volume of sphere?
Cube the radius and multiply by pi. Multiply your answer by four then divide by three. V=43πr3
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How do you work out the volume of a pyramid?
Multiply the area of the base by the perpendicular height. Divide your answer by three.
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## Other cards in this set

### Card 2

#### Front

How do you work out the area of a circle?

#### Back

Square the radius and multiply by pi. A=πr2

### Card 3

#### Front

How do you work out the circumferance of a circle?

### Card 4

#### Front

How do you work out the volume of a prism?

### Card 5

#### Front

How do you work out the surface area of a sphere?