1.
In
,
is a(n)________.
A.
median
B.
angle bisector
C.
perpendicular bisector
D.
altitude
Hint
2.
One of the altitudes of
is _________.
A.
B.
C.
D.
Hint
3.
Which segment is a perpendicular bisector in
?
A.
B.
C.
D.
Hint
4.
Classify
.
A.
perpendicular bisector
B.
median
C.
altitude
D.
all of these
Hint
5.
In
MOP
,
O
MPO
,
m
M
= 40 and
is an altitude. Find
m
NPO
.
A.
70
B.
30
C.
90
D.
20
Hint
MOP, 
O 
MPO, mM = 40 and 
is an altitude. Find mNPO.