Need To Know Formulae Flashcards

1
Q

Area Rectangle

A

Length x width

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2
Q

Area Parallelogram

A

Base x hight

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3
Q

Area Triangle

A

1/2 base x hight

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4
Q

Area Trapezium

A

Half the sum of the parallel sides times the distance between them

1/2 ( length a + length b) X hight

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5
Q

Volume Cuboid

A

Hight x length x width

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6
Q

Volume Prism

A

Area of cross section x length

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7
Q

Volume Cylinder

A
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8
Q

Volume Pyramid

A
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9
Q

Cylinder (curved surface area)

A
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10
Q

Surface area prism

A

Front + back + rectangular sides

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11
Q

Surface area Pyramid

A

Base + triangular sides

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12
Q

Circle circumference

A
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13
Q

Circle area

A
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14
Q

Right angled triangles Pythagoras

A

A squared + B squared = C squared

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15
Q

Trigonometry sin

A
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16
Q

Trigonometry cos

A
17
Q

Trigonometry tan

A
18
Q

Quadratic equations

A
19
Q

Compound measurements speed

A
20
Q

Compound measures density

A
21
Q

Compound measures pressure

A
22
Q

Estimate for the mean

A

Sum of mid point x frequency
——————————————
Total frequency

23
Q

Volume of hemisphere

A
24
Q

Curved surface area of a hemisphere

A
25
Q

Volume of a cone

A
26
Q

Curved surface area of a cone where L is the slanted Hight

A
27
Q

Volume of a sphere

A
28
Q

Surface area of a sphere

A
29
Q

Area of a sector

A
30
Q

Arch length of sector

A
31
Q

Perimeter of sector

A
32
Q

Triangles area

A

1/2absin( c )