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1.a protractor is used to measure______
A. temperature
B. angles
C. straight line
D. geometry

3. which angle measures more than 90° but less than 180°
A. right angle
B. acute angle
C. obtuse angle
D. right acute angle

4. what kind of angle is represented when the hands of a clock says it's 9:00?
A. obtuse angle
B. acute angle
C. right angle
D. none of the above

5. what kind of angle is represented when the hands of a clock says it's 1:30?A. obtuse angle
B. acute angle
C. right angle
D. none of the above​