SOLUTION: A rectangle has sides 3 and 4.Find the length of the diagnol

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Question 307431: A rectangle has sides 3 and 4.Find the length of the diagnol
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
the rectangle has sides 3 & 4
The sides and the diagonal form a right triangle
the sides are the legs of the right triangle
use the pythagoras theorem
3^2+4^2 = diagonal ^2
9+16 = diagonal ^2
25 = diagonal^2
take sqrt on both sides of the equation
5 units= diagonal