Three congruent triangles constitute a quadrilateral. What’s red : blue?
Scroll down for a solution to this problem.
Solution
Red : blue is 1 : 1.

Poem
The hand fan
Belongs to some seasons
And gives a gentle breeze
He can be precious with flowers and gold
Or made of peachwood just easy to hold
He can make the wind
And blow the air
So you can sleep
And fade away
With a sound
So soft and cool
