Circles-formulae and practice
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10 Terms
1
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What is the formulae for arc length in radians
l=rø
2
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What is the formulae of arc length in degrees
Ø/360 x pi r2
3
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What is the formula for the area of a sector in radians
A=1/2 x r2 x Ø
4
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What is the formulae for the area of a sector in degrees
Ø/360 x pi x r2
5
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What is the formulae for the area of a segment in radians
A=1/2 x r2(Ø-SinØ)
6
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What is the formulae for the area of a segment in radians
A=1/2 x r2 x ((pi/180)Ø-SinØ)
7
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