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Math
Geometry & Trigonometry
Circles
Arc length, Sector Area etc formulas
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Geometry & Trigonometry
Circles
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8 Terms
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1
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Convert radian to degree
x180/pi
2
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Convert degree to radian
xpi/180
3
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Arc Length (degrees)
x/360 times 2pi(r)
4
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Arc length (radians)
r(degree)
5
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Sector area (degrees)
x/360 times pi(r^2)
6
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Sector area (radians)
1/2 times (r^2)degrees
7
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Area of segment (degree)
Sector area - triangle area (1/2absinc)
8
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Area of segment (radians)
Sector area (1/2r^2degree) - triangle (1/2absinc)