All things Vocab
Central Angles
Formulas
Type of Arc
Find the measure
100
The longest chord in a circle
What is the Diameter
100
The Central angle is
What is 90°
100
To find the diameter
What is d=2r
100
This arc is smaller than 180°
What is a minor arc
100
This leaves "pie in the answer
What is the Exact answer
200
A segment whose endpoints are on the circle
What is a Chord
200
The Central Angle
What is 76°
200
The area of a circle
What is
pi r^2
200
This arc is larger than 180°
What is a Major Arc
200
The type of answer that you will need to "round"
What is the approximate answer?
300
The measure of a central angle and its corresponding arc
What is Congruent
300
The Central angle is congruent to this
What is the intercepted arc?
300
The circumference of a circle
What is
pi d or 2pi r
300
Arc LKN is this type of arc
What is Major
300
The measure of Arc IKH
What is 94°
400
This is a fractional part of the total area of a circle
What is a sector
400
The measure of the angle
What is 110°
400
The area of a sector
(arc°)/360 * pir^2
400
Arc LM is this type of arc 
Minor
400
The measure of angle FEG
What is 66°
500
A Tangent Line is perpendicular to the radius of a circle at this point
Point of Tangency
500
The angle measure of
What is 155°
500
The length of arc
(Arc°)/360 * pid
500
It is not a minor arc and its not a major arc then it is
What is a Semi-Circle
500
The measure of Arc STU
What is 120°