Popular internet problem: The semi circle and 'y' in terms of 'x'

This proof solves a popular internet geometry problem found here: https://twitter.com/RonySarker71/status/1428469920443076609

Part 1 - Popular Geometric Proof
By utilising the radius of the circle, one can arrive at the conclusion that y=√(ax). If a=1, then you get y=√(x).

Part 2 - Popular Geometric Proof

 

Location: United Kingdom

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