Success is the sum of small efforts repeated day in and day out.— Robert Collier

Quadrilaterals — quick quiz

5 real SOF IMO questions on Quadrilaterals. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

EASY

In a parallelogram ABCD, if angle A = 65°, then what is the measure of angle C?