SOLUTION: Find diagonal of 30" x 42" rectangle

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Question 291694: Find diagonal of 30" x 42" rectangle
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
use a^2+b^2=c^2 where a and b are the sides and c is the hypotnuse.
a=30 b=42 find c
30%5E2%2B42%5E2=c%5E2
900%2B1764=c%5E2
2664=c%5E2
sqrt%282664%29=c
or
51.61395=c