GCSE Maths: Equations for Arcs & Sectors
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Last updated 10:41 AM on 10/9/23
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13 Terms
1
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area of circle
A = πr²
2
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circumference of circle
C = 2πr
3
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volume of cone
V = (1/3)πr²h
4
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volume of sphere
V = (4/3)πr³
5
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volume of pyramid
V = (1/3) * base area * height
6
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volume of frustrum.
V = vol. of bigger cone - vol. of smaller cone
7
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curved surface of cone
A = πrl (l is the slant height of cone)
8
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total surface area of cone
A = πrl + πr²
9
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surface area of sphere
A = 4πr²
10
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arc length
L = θ/360 * πd
11
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area of sector
A = θ/360 * πr²
12
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area of ABC triangle
A = (1/2)abSinC
13
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area of segment
area of sector - triangle
