| |
| |
1. |
Classify  by its angles and sides. |
| |
|
 |
| |
|
A. |
acute isosceles |
B. |
acute equilateral |
| |
|
C. |
obtuse equilateral |
D. |
obtuse isosceles |
| |
|
Hint |
|
| |
2. |
Find  in  . |
| |
|
 |
| |
|
A. |
131° |
B. |
103° |
| |
|
C. |
62° |
D. |
41° |
| |
|
Hint |
|
| |
3. |
What is  in  ? |
| |
|
 |
| |
|
A. |
90 |
B. |
13 |
| |
|
C. |
41 |
D. |
49 |
| |
|
Hint |
|
| |
4. |
The measures of the angles of a certain triangle are in the ratio 10:11:15. What are the measures of the angles? |
| |
|
A. |
57°, 60°, 63° |
B. |
60°, 66°, 90° |
| |
|
C. |
42°, 64°, 74° |
D. |
50°, 55°, 75° |
| |
|
Hint |
|
| |
5. |
Classify the triangle by its angles and by its sides. |
| |
|
 |
| |
|
A. |
right, scalene |
B. |
right, isosceles |
| |
|
C. |
acute, isosceles |
D. |
acute, equilateral |
| |
|
Hint |
|
|
|