

1. 
Classify the triangle by its angles and its sides. 





A. 
acute, isosceles 
B. 
acute, equilateral 


C. 
right, isosceles 
D. 
right, scalene 


Hint 


2. 
Find mB in ABC if mA = 85° and mC = 11°. 


A. 
6° 
B. 
84° 


C. 
104° 
D. 
92° 


Hint 


3. 
Find mE in DEF if mD = 34° and mE = 117°. 


A. 
56° 
B. 
29° 


C. 
63° 
D. 
61° 


Hint 


4. 
The map of a trail is shown below. Find the value of x. 





A. 
151° 
B. 
150° 


C. 
51° 
D. 
141° 


Hint 


5. 
Classify the triangle by it angles and by its sides. 





A. 
acute equilateral 
B. 
acute, equilateral 


C. 
right, isosceles 
D. 
acute, isosceles 


Hint 


