Maths - equations

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GCSE Mathematics

CCEA

9th

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11 Terms

1
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Gradient
y2-y1/x2-x1
2
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Distance between 2 points
√(x2-x1)^2+(y2-y1)^2
3
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Mid-point of a line
(x1+x2/2 , y1+y2/2)
4
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Area of Triangle
1/2 of base x perpendicular height
5
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Area of Parallelogram
Base x perpendicular height
6
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area of kite and Rhombus
d1 x d2/2
d1 x d2/2
7
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Volume of pyramid
1/3 area of base x perpendicular height
8
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Curved surface area of cylinder
πdh
9
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Length of an arc
πd x angle/360°
10
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area of a sector
πr^2 x angle/360°
11
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Area of segment
πr^2 x angle/360° - base x height/2