Cube from sphere

What largest surface area (in cm2) can have a cube that we cut out of a sphere with a radius 26 cm?

Correct answer:

A =  5408 cm2

Step-by-step explanation:

r=26 cm  2r = 3   a a=2/3 r=2/3 2630.0222 cm A=6 a2=6 30.02222=5408 cm2



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Showing 1 comment:
Math student
Nice puzzle. It took me a moment to realise my mistake and use 3D Pythagoras so I guess a hint might be helpful to others.





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