SOLUTION: Help! Find the length of the diagonal of a cube with side length 10 cm.
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Question 199273
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Help!
Find the length of the diagonal of a cube with side length 10 cm.
Answer by
RAY100(1637)
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diagonal ^2 = l^2 +w^2 +z^2
.
for a cube,, d^2 = 3 s^2.
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for s =10, d^2 = 3 (10)^2 =300
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dia = sqrt 300 = 17.32
.