Which is the same as angle AOB? *

1 point

a. angle OAB

b. angle OAB

c. angle BAO

d. angle O

48. What kind of angle is formed by the corner of a square table. *

1 point

a. right angle

b. acute angle

c. obtuse angle

d. none of the above

49. What kind of angle is shown by an opened book whose measure is greater than 90 degrees? *

1 point

a. right angle

b. acute angle

c. obtuse angle

d. none of the above

50. What kind of angle is illustrated when the hands of a clock form at 1:20? *

1 point

a. right angle

b. acute angle

c. obtuse angle

d. none of the above