Geometry Y1 Flashcards
1
Q
Cosine rule
A
a^2 = b^2 + c^2 - 2bc*cosA
2
Q
Sine rule
A
sinA/a = sinB/b = sinC/c
3
Q
Area of a triangle
A
1/2 a b sinC
4
Q
Arc length
A
r*theta (in radians)
5
Q
Sector Area
A
1/2 r^2 theta
6
Q
Segment Area
A
1/2 r^2 (theta - sin(theta))
