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?
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Solution
Blue : red is 1 : 3.
![](https://mirangu.com/wp-content/uploads/2024/07/QuadStretchesSolution.jpg)
Video
Please find here the video solution: Video: Quad stretches.