

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





A. 
obtuse, isosceles 
B. 
acute, isosceles 


C. 
obtuse, scalene 
D. 
acute, equilateral 


Hint 


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


A. 
92° 
B. 
104° 


C. 
84° 
D. 
6° 


Hint 


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


A. 
63° 
B. 
61° 


C. 
29° 
D. 
56° 


Hint 


4. 
Find the missing measure in the triangle below. 





A. 
34° 
B. 
36° 


C. 
140° 
D. 
40° 


Hint 


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





A. 
acute, equilateral 
B. 
acute, isosceles 


C. 
acute equilateral 
D. 
right, isosceles 


Hint 


