The length of the rectangle is _______cm.

Mathematics
Tutor: None Selected Time limit: 1 Day

5). The diagonal of a rectangle measures 13 cm. The width of the rectangle is 5 cm.     

      Find the length of the rectangle.

The length of the rectangle is _______cm.

(Type an integer or decimal rounded to the nearest thousandth as needed.)

Jun 22nd, 2015

Thank you for the opportunity to help you with your question!

The diagonal of a rectangle measures 13 cm. The width of the rectangle is 5 cm.   


so the diagonal makes a right angle triangle so we have two sides one side is unkown

so using pythogores theorm

width^2 + length^2 = diagonal^2

5^2 + length^2 = 13^2

25 + length^2 = 169

length^2= 169 - 25

length^2 = 144

length = 12

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 22nd, 2015

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