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December 18, 2014

December 18, 2014

Posted by **math** on Friday, October 8, 2010 at 5:04pm.

I tried

a²= 4² + 5²

a²= 41

d² = 41 + 8²

d²= 105

d=+- 10.25

is this right?

- liz -
**bobpursley**, Friday, October 8, 2010 at 5:17pmd^2=4^2+5^2+8^2=16+25+64=105

d= sqrt 105

Now, your answer, notice I did not put -. How can a measurement on a box be negative?

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