SOLUTION: I can not figure out how to do this problem. I am the father trying to help my 8th grade son. D squared = 85 Thanks

Question 690829: I can not figure out how to do this problem. I am the father trying to help my 8th grade son.
D squared = 85
Thanks

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
D squared = 85
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D^2 = 85 is not a problem, it's an equation.
If you say, "Solve for D," that's a problem.
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Using a calculator:
D =~ +9.2195
D =~ -9.2195
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