1.
In the figure, the line is ____ the circle.
A.
a secant of
B.
inscribed in
C.
a tangent of
D.
circumscribed about
Hint
2.
A.
40
B.
220
C.
140
D.
70
Hint
3.
Find
.
A.
25
B.
105
C.
100
D.
80
Hint
4.
The theorems in this lesson are useful __________.
A.
when you know the measure of a central angle and want to find the length of the chord connecting its radii
B.
when you have an arc measure and want to know an arc length
C.
when you have an arc measure and want to know an angle measure or vice versa.
D.
when trying to prove two circles similar
Hint
5.
Find
m
IHJ
.
A.
117
B.
77.5
C.
125.5
D.
140
Hint