Radians Flashcards
1
Q
Length of arc
A
r θ
2
Q
Area of segment
A
0.5*r^2(θ-sin θ)
3
Q
Length of chord
A
2rsin θ/2
4
Q
Aria of triangle
A
1/2r^2sin θ
5
Q
Area of sector
A
1/2r^2 θ
Length of arc
r θ
Area of segment
0.5*r^2(θ-sin θ)
Length of chord
2rsin θ/2
Aria of triangle
1/2r^2sin θ
Area of sector
1/2r^2 θ