1
Q
Arc length
A
L= rO
2
Q
Area of sector
A
A= 1/2 r^2 O
3
Q
Area of segment
A
A = 1/2 r^2 (O - sin O)
Arc length
L= rO
Area of sector
A= 1/2 r^2 O
Area of segment
A = 1/2 r^2 (O - sin O)
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