1.
Classify
.
A.
right, equilateral
B.
acute, scalene
C.
obtuse, isosceles
D.
right, isosceles
Hint
2.
Classify the triangle by its angles and its sides.
A.
acute, equilateral
B.
right, isosceles
C.
right, scalene
D.
acute, isosceles
Hint
3.
Find
m
B
in
A
B
C
if
m
A
= 85° and
m
C
= 11°.
A.
104°
B.
92°
C.
6°
D.
84°
Hint
4.
Find
m
E
in
D
EF
if
m
D
= 34° and
m
E
= 117°.
A.
61°
B.
63°
C.
56°
D.
29°
Hint
5.
The map of a trail is shown below. Find the value of
x
.
A.
51°
B.
151°
C.
141°
D.
150°
Hint