What is the maximum perimeter of a triangle inscibed in a circle of radius $1$?

I can't seem to find a proper equation to calculate the derivative.

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# [Math] Max perimeter of triangle inscribed in a circle

###### Related Question

derivativesgeometryoptimization

What is the maximum perimeter of a triangle inscibed in a circle of radius $1$?

I can't seem to find a proper equation to calculate the derivative.

## Best Answer

HINT:

Use law of sines and this