Formula Flashcards

1
Q

Area of a rectangle

A

length x width

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2
Q

Area of a parallelogram

A

base x height

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3
Q

Area of a triangle

A

0.5 x base x height

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4
Q

Area of a trapezium

A

0.5(a+b)h

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5
Q

Circumference of a circle

A

pi x diameter

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6
Q

Area of a circle

A

pi x radius²

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7
Q

Pythagoras’ theorem

A

a²+b²=c²

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8
Q

Trigonometric ratios

A

SOHCAHTOA

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9
Q

Quadratic equation

A

2a

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10
Q

Volume of a cuboid

A

length x width x height

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11
Q

volume of a prism

A

area of cross section x length

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12
Q

volume of a cylinder

A

pi x radius² x height

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13
Q

volume of a pyramid

A

1/3 x area of bass x height

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14
Q

speed

A

distance / time

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15
Q

density

A

mass / volume

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16
Q

pressure

A

force / area

17
Q

sine rule

A

a/sinA = b/sinB = c/sinC

18
Q

cosine rule

A

a²=b²+c² - 2bc cosA

19
Q

area of a triangle (nra)

A

1/2ab sinC