Circles: arcs and sectors and logorithms

equations and proofs

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  • Created by: Olivia
  • Created on: 10-05-11 11:52
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Circles: arcs and sectors
Arc length AB= r
Area of sector AOB= 1 r2
2
Area of triangle AOB 1 r2Sin
2
Area of segment 1 r2 - 1 r2sin
2 2
360° = 2 Radians
180° = Radians
Logarithms

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