The red planet

A semicircle with a chord and a line segment perpendicular to it. What is the total area in terms of lengths a and b?

Scroll down for a solution to this problem.


The red area is π(a+b)3/(8a+2b).

Solution by Quantum ( ? = ! ).


MARS the Red Planet
People believe there is life on Mars
But no, sorry no air to breathe
Elon Musk will conquer the planet in 2026
A project full of ambition
With a crewed mission
The goal is Mars colonization
Just to stop on earth the human extinction
Will it come to fruition ?


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