1.
Which figure is an isosceles triangle?
A.
B.
C.
D.
Hint
2.
Which figure shows
with
m
M
= 90;
m
P
>
m
N
, and
MP
<
MN
?
A.
B.
C.
D.
Hint
3.
Triangle
RST
is isosceles with
as the vertex angle. If
ST
= 3
x
- 11,
SR
=
x
+ 3, and
RT
=
x
- 2, find
RT
.
A.
14
B.
7
C.
9
D.
5
Hint
4.
Triangle
KMS
is equilateral. Find
KM
if
KM
=
x
+ 6,
KS
= 2
x
– 3, and
MS
= 4
x
– 21.
A.
21
B.
4
C.
15
D.
9
Hint
5.
ABC is ______.
A.
scalene but not acute
B.
scalene and acute
C.
isosceles and scalene
D.
equilateral
Hint