Question

In angle dozers usually the blades are attached to the front side of the tractor at an angle of a) 30 b) 180 c) 120 d)90

Answer 1

If the angle is straight angle it means it is 180.
If the angle is a right angle it means it is 90.
If the angle is acute then it is 30.
If the angle is obtuse angle then it is 120.
hope it may help you