1.
Triangle
RST
is isosceles with
as the vertex angle. If
ST
= 3
x
- 11,
SR
=
x
+ 3, and
RT
=
x
- 2, find
RT
.
A.
5
B.
9
C.
7
D.
14
Hint
2.
Find the value of
x
.
A.
135
B.
145
C.
45
D.
125
Hint
3.
What is
if
and
A.
78
B.
68
C.
31
D.
88
Hint
4.
What is the value of
n
?
A.
9
B.
26
C.
14
D.
24
Hint
5.
ABC is ______.
A.
scalene but not acute
B.
isosceles and scalene
C.
equilateral
D.
scalene and acute
Hint
as the vertex angle. If ST = 3x - 11, SR = x + 3, and RT = x - 2, find RT.