Question

3/4 of a right angle, 5/4 of a right angle, 5/3 of a right angle, and 2/3 of a full turn

Answer 1

1.3/4 of right angle is 3/4*90=67.5
2.5/4 of right angle is 5/4*90=112.5
3.5/3 of right angle is 5/3*90=150
4.2/3 of right angle is 2/3*90=60