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Square offspring

Square offspring
Square offspring

Three squares and two line segments. What’s the angle α?

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Solution

The angle α is 45°.

Solution to a more general problem by yifs.

ΔABC~ΔDBE, AB:BC=DB:BE
ΔABD~ΔCBE, ∠ADB=∠CEB
GreenAngle=∠DBE=45°

Video

Please find here the video solution: Video: Square offspring.

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