SOLUTION: Help! Find the length of the diagonal of a cube with side length 10 cm.

SOLUTION: Help! Find the length of the diagonal of a cube with side length 10 cm.

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Question 199273: Help!
Find the length of the diagonal of a cube with side length 10 cm.
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
diagonal ^2 = l^2 +w^2 +z^2
.
for a cube,, d^2 = 3 s^2.
.
for s =10, d^2 = 3 (10)^2 =300
.
dia = sqrt 300 = 17.32
.
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