Two squares sharing a vertex and two overlapping coloured quadrilaterals from square side midpoints. What is the area proportion of the blue and the red quadrilateral?

Solution

Blue : red is 1 : 3.

Video

Please find here the video solution: Video: Quad stretches.

Two squares sharing a vertex and two overlapping coloured quadrilaterals from square side midpoints. What is the area proportion of the blue and the red quadrilateral? https://t.co/abhUVk6T2U Inspired by Bình Lục. pic.twitter.com/MVtGm9wSaG

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