Shape Formulae Flashcards by Eli Benyon

Q

What is the formula for the volume of a cone?

A

1/3nr^2 x h

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Q

Surface area of a Cone?

A

nr^2 + nrl

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Q

Circumference of a circle?

A

nd

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Q

Area of a circle

A

nr^2

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Q

Volume of a cylinder

A

nr^2 x h

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Q

Surface area of a cylinder

A

2nr^2 + 2nrh

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Q

Area of a triangle

A

bh / 2

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Q

Area of a trapezium

A

a+b/2 x h

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Q

Volume of a pyramid

A

1/3 x area of base x h

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Q

Volume of a sphere

A

4/3 nr^3

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Q

Surface area of a sphere

A

4nr^2

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Q

Volume of a prism

A

Cross section x length

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Q

Area of a sector

A

Theta / 360 x nr^2

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Q

Arc length of a sector

A

Theta / 360 x 2nr

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Q

Formula for the volume of a frustum

A

nh/3 (R^2 + Rr + r^2)

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