5:00

Can You Solve The Hardest Problem From The 2019 HSC?

18:43

What Is The Shaded Area?

12:21

Is this even solvable? What is the radius?

7:22

This Geometry Challenge Took a While

15:44

Half of a deathly area...

5:10

Problema Insanamente Dificil - Resolva para o ângulo

8:04

Viral question from China

8:02

Can you solve for the area?