The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Constructions — quick quiz

5 SOF IMO-pattern questions on Constructions. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Medium

From an external point P, two tangents PA and PB are drawn to a circle with center O. If angle APB = 60 degrees, what is the measure of angle AOB?