SOLUTION: The side of a square has a length of 15 feet. Find the length of its diagonal.

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Question 354817: The side of a square has a length of 15 feet.
Find the length of its diagonal.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Solved by pluggable solver: Find the length of the diagonal

We will just use the Phytagorean Theorem
diagonal=sqrt%28%2815%29%5E2%2B%2815%29%5E2%29
diagonal=sqrt%28225+%2B+225%29
diagonal=sqrt%28450%29
diagonal=21.2132034355964
therfore, the diagonal is 21.2132034355964 cm long.