SOLUTION: Find the length of a diagonal of a cube with a side of 4 inches. Leave your answer in simplest radical form.
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Question 1064434: Find the length of a diagonal of a cube with a side of 4 inches. Leave your answer in simplest radical form.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
It helps to draw this.
The diagonal of the side is 4 sqrt (2)
The diagonal of the cube is the hypotenuse of a triangle with sides 4 sqrt(2) and 4.
Squaring both and adding, one gets 32+16=48
taking the square root of 48 is 4 sqrt (3).
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