Need to know formulas Flashcards by Grace Byrne | Brainscape

Q

Area of a rectangle

A

Lxw

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Q

Area of a parallelogram

A

B x PERP h

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Q

Area of a triangle

A

1/2 b x h OR 1/2xAxBxsinC

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Q

Area of a trapezium

A

1/2 (a+b) x h

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Q

Volume of a prism

A

CS x l

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Q

Volume of a pyramid

A

1/3 x base area x h

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Q

Cosine rule for side

A

A^2= b^2 + c^2 -2bcCosA

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Q

Cosine rule for an angle

A

Cosa= b^2+c^2 - a^2/2bc

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Q

Volume of a cylinder

A

Pie x r2 x h

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