1.
It is formed by two noncollinear rays, which its sides, with a common endpoint
A. angle
C. plane
D. point
B. line
2.
It is an instrument used to measure an angle.
A. weighing scale
B. thermometer
C.
D.
protractor
ruler
3.
It is the unit used in measuring angles.
A. meter
В. gram
C. Celsius
D. degree
4.
It is the type of angle which measure exactly 90°
A. acute angle
B. right angle
C. obtuse angle
D. reflex angle
5. It is the type of angle which measures between 90° and 180°.
A. acute angle
C. obtuse angle
B. right angle
D. reflex angle
6. It is the type of angle which measures between 180° and 360°
A. obtuse angle
C. acute angle
B. reflex angle
D. right angle​