Vocabulay
Central Angles and Naming Arcs
Inscribed Angles
Inscribed Polygons
Major Arc, Minor Arc, or Semicircle
100
Define Arc.
Arc is a portion of a circle defined by 2 endpoints.
100
Name a minor arc and give its measure.
hat (EF)=68°
100
Find m<KJL
65°
100
Find the values of x and y.
x = 100°
y = 105°
100
hat(RQ)
is a...
A. Major Arc
B. Minor Arc
C. Semicircle
B. Minor Arc
200
Define Central Angles. You can also draw a picture.
An angle with a vertex at the center; is made by two radii. 
200
Name a major arc and give its measure. 
hat(EGF)=292°
200
Find m<YWX
76°
200
Find the values of x and y.
x=130°
y=100°
200
hat(PQ)
is a...
A. Major Arc
B. Minor Arc
C. Semicircle
B. Minor Arc
300
Define an Inscribed Angle. You can also draw a picture.
An inscribed angle has a vertex on the circle. It is made with two chords.
300
Find arc measure:
hat (KZ)
90°
300
Find
mhat(CD)
170°
300
Find the value of x and y.
x = 90°
y = 55°
300
hat(TSR)
is a...
A. Major Arc
B. Minor Arc
C. Semicircle
C. Semicircle
400
Define Semicircle.
Semicircle is an arc that is half the circle. It is 180°.
400
Find arc measure:
hat(KLY)
255°
400
Find
mhat(FG)
94°
400
Find the measure of x and y.
x = 45°
y = 90°
400
hat(TSQ)
is a...
A. Major Arc
B. Minor Arc
C. Semicircle
A. Major Arc
500
What is the difference between a major arc and a minor arc?
Minor arcs measure less than 180° and major arcs measure more than 180°.
500
Name a semicircle.
hat(KL)
hat (XY)
500
Find 
mhat(RT)
148°
500
Find the values of a and b.
a = 45
b=30
500
hat(TR)
is a...
A. Major Arc
B. Minor Arc
C. Semicircle
C. Semicircle