Name it!
What's that Formula?
Tangents
Arcs & Angles
Degrees
100
Name the diameter of the circle.
overline(AB)
100
a^2+b^2=c^2
Pythagorean Theorem
100
A tangent and a radius that touch the same point on the circle form what kind of angle?
A right angle (90^o)
100
Find the length of the intercepted arc
170
100
Degrees in a circle
360
200
Name the Inscribed Angle in the below circle
angleABC or angleDEF
200
"angle"="arc"
Central Angle Theorem
200
When two tangents intersect, the segments from the circle to the point of intersection are what?
Congruent
200
Find the angle
108
200
Degrees in a right angle
90
300
Name the tangent
overline(EF)
300
A=pi*radius^2
Area of a Circle
300
Find x
4
300
Find the arc
24
300
Degrees in a triangle
180
400
Name the semicircle
frownAEB or frownACB
400
"angle"=1/2"arc"
Inscribed Angle Theorem
400
Find overline (AB)
26
400
Find the angle
40
400
Degrees in two supplementary angles
180
500
Name the chord
overline (CB)
500
"angle"=("big arc"-"small arc")/2
Outside Angle Theorem
500
Find the perimeter
34
500
Find the length of the arc
198
500
Degrees in a quadrilateral
360