How to solve for x in this equation

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SUMMARY

The equation presented, Area = πr² - r²(arccos((r-x)/r)) + (r-x)√(2rx - x²), cannot be solved analytically for x. Instead, numerical methods or graphical solutions are required due to its transcendental nature. Understanding transcendental equations is crucial for approaching this problem effectively. Resources such as MathWorld and Wikipedia provide additional insights into these types of equations.

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frankivalli
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How to solve for "x" in this equation

Thanks in advance:

here is my equation:

Area = \pir^{2} - r^{2}(arcos((r-x)/r))+(r-x))*\sqrt{2*r*x-x^{2}}
 
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frankivalli said:
Thanks in advance:

here is my equation:

Area = \pir^{2} - r^{2}(arcos((r-x)/r))+(r-x))*\sqrt{2*r*x-x^{2}}
Is this related to the question you asked in another thread about the height of a liquid in a horizontal, cylindrical tank?

If so, I don't think you can solve the equation above analytically for x. The best you can do is solve it numerically using some approximation technique.
 

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