annabellemarshall annabellemarshall

22-07-2017
Mathematics

contestada

What is the length of a diagonal of a cube with a side length of 10 cm? 200cm, 210cm, 300cm, 320cm

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Аноним Аноним

22-07-2017

None of these.

They are the possible squares of the diagonal

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raniahamada10 raniahamada10

22-07-2017

IF the side length is 10cm , then the length of diagonal of the base of the cube(x) is X² =(10)²+(10)² =200cm so x = 10√2cm
so the length of diagonal of the cube(y) is
y² = (10)² + (10√2)² =300 so y =10√3cm

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