12:34

Japanese Math Olympiad | A Very Nice Geometry Problem

27:41

Russian Math Olympiad Problem | A Very Nice Geometry Challenge | 2 Different Methods

19:38

Russian Math Olympiad Problem | A Very Nice Geometry Challenge

9:14

Find the shaded area in the quarter circle | Poland Math Olympiad Geometry Problem

7:41

Geometry Problem – The area of a triangle after its incircle has been removed

14:34

Russian Math Olympiad | A Very Nice Geometry Problem

10:39

Oxford Admission Test – Find the value of x

14:06

Can YOU Find the Red Triangle’s Area? | Geometry Puzzle