11.1.3 Sector Area and Arc Length Flashcards
1
Q
sector of a circle
A
a region bounded by two radii of the circle and their intercepted arc
2
Q
segment of a circle
A
a region bounded by an arc and its chord
3
Q
arc length
A
the distance along an arc measured in linear units
4
Q
Sector Area
A
A = πr^2 (m degrees/360 degrees)
5
Q
Arc Length
A
L = 2πr(m degrees/360 degrees)
