# Mathematics - Required Formulae

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Area of parallelogram

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### 14 Terms

1

Area of parallelogram

A = bh

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2

Area of trapezium

A = ((a+b)/2) x h

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3

Cirumference of circle

C = 2πr

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4

Area of circle

A = πr²

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5

Volume of prism

V = area of cross section x h

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6

Pythagoras' theorem

a² = b² + c²

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7

sinx =

opp/hyp

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8

cosx

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9

tanx

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10

Sine rule

a/sinA = b/sinB = c/sinC

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11

Cosine rule

a² = b² + c² - 2bc cosA

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12

Area of triangle (trigonometric)

A = ½ab sinC

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13

x=(-b±√(b²-4ac))/2a

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14

Compound interest

Total = P(1 + r/100)ⁿ

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