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7 Cards in this Set
- Front
- Back
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Sum of integers in a sigma
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n(n+1)/2
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Sum of squares in a sigma
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n(n+1)(2n+1)/6
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Sum of cubes in a sigma
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[n(n+1)/2]^2
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Area of a triangle
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1/2abSinC
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Segments of Circles (degrees)
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s=(θ/360) * 2pir
K= (θ/360) *pir^2 |
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Segments of Circles (radians)
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s=rθ
K=1/2r^2θ |
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Area of segment formula
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k=1/2rs (radians)
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