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The perimeter of a rectangle is 56 meters. The ratio of its length to its width is 4:3. What is the length of a diagonal of the rectangle?

 May 25, 2020
 #1
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I found a post similar to yours - hope this helps! 

 

https://web2.0calc.com/questions/help-please_93694

 May 25, 2020
 #2
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First, you find the length and width which are 16 and 12. Using the Pythagorean theorem (a2+b2=c2) , you can figure it out. We know A and B, 162+122=c2. Go on further and you get 256+144=c2 then 400=c2 and finally c=20. The diagonal is 20 units. 

 May 25, 2020

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