SOLUTION: Hello, I have a problem with this text book that it gives me the answer as being 6. But I have worked it out many times in varying ways and I still keep getting the same answer as

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Hello, I have a problem with this text book that it gives me the answer as being 6. But I have worked it out many times in varying ways and I still keep getting the same answer as      Log On


   

Question 102360This question is from textbook Mathematics for Technicians
: Hello,
I have a problem with this text book that it gives me the answer as being 6. But I have worked it out many times in varying ways and I still keep getting the same answer as 9.797958971.
Would you please be able to tell me which answer is correct and why.
Thank you so very much.
Cheers
D
The following has been my preferred methodology. Thanks.
sgrt8^2+6^2-(8-6)^2
sqrt8^2+6^2-2^2
sqrt64+36-4
sqrt96
=9.797958971 This question is from textbook Mathematics for Technicians

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
The book should have this for an equation: sqrt%288%5E2%2B6%5E2%29-%288-6%29%5E2=6
Ed