SOLUTION: What is the daignal of 20x20 and how did u get that and what is it in inches

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Question 879943: What is the daignal of 20x20 and how did u get that and what is it in inches
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

use The Pythagorean theorem...

20^2 + 20^2 = c^2

  800 = c^2

 sqrt%28800%29 = c   |Tossing out negative solution for unit measure

 sqrt%28100%2A4%2A2%29 = c

    20√2 = c, the diagonal

Note: pattern for an Isosceles right triangle