Which of the four angles marked on the bicycle is obtuse?
A drawing of a bicycle has 4 angles marked. Angles 1, 2, and 4 are smaller than angle 3, which is between the seat and the back support bar. Angles 1 and 2 are inside the frame and angle 4 is between the handlebars and the front support bar.
CLEAR CHECK
Angle 1
Angle 2
Angle 3
Angle 4