Key Concepts
Inspired Angles
Joan of Arcs
Vocabutastic
He Quakin'
100
How many degrees are there in a triangle?
360 degrees
100
90 degrees
100
Find the length of the dark arc.
6pi
100
Two angles that share a straight line and sum to 180 degrees
Supplementary Angles
100
Circumference of a Circle
C = 2pi*R
200
How many degrees are there in a triangle?
180
200
107 degrees
200
20/3 pi
200
Two angles that share a vertex and are congruent
Vertical Angles
200
Arc Length from the Center Angle
AL = 2pi*R*theta/360
300
The measure of the Central Angle is ________ the arc
equal to
half of
double
equal to
300
"Find " m\angleADB
38
300
"Find " theta
137.510 degrees
300
Is this a major or minor arc?
Major Arc
300
Area of a Circle
A = pi*R*R
400
Pi is the relationship between the circles ____________ and its ______________
diameter/radius and circumference
400
x=37
400
3pi
400
Name the kind of angle in red
Central Angle
400
Arc Measure from Inscribed Angle
AM = 1/2 IA
500
The equation to find the length of an arc
AL = 2pi*R*theta/360
500
41 degrees
500
If the radius is 9, find the length of arc RT
41/20pi or 2.05pi
500
Any line segment with end points on the edges of a circle
Chord
500
Pythagorean Theorem
a^2 + b^2 + c^2