A rectangle with a diagonal and an inscribed semicircle. What is red : green : blue?
Scroll down for a solution to this problem.
Solution
Red : green : blue is 2 : 2 : 1.

Visual solution

Poem
The dome tent
Is like a cathedral dome
Supporting the space between earth and sky
It’s made of textile or polyester
Closed with arches and panels
One can see the moon and it’s slices
It’s not easy to pup up the tent
When the wind blow
But in the tent the friendship can grow
