Sector Area and Arc Length Flashcards
1
Q
What is a Sector of a Circle?
A
A region bounded by two Radii of the Circle and their intercepted Arc.
2
Q
What is the Formula for the Area of a Sector of a Circle?
A
A=(πr^2)(m degrees/360 degrees).
3
Q
What is a Segment of a Circle?
A
A region bounded by an Arc and its Chord.
4
Q
What is the Formula for the Area of a Segment?
A
Area of the Segment=Area of the Sector-Area of the Triangle.
5
Q
What is Arc Length?
A
The distance along an Arc measured in Linear Units.
6
Q
What is the Formula for the Length of an Arc?
A
L=2πr(m degrees/360 degrees).
