SOLUTION: What is the length of a diagonal of a rectangle whose sides are 5 cm and 12 cm long?
23 cm
17 cm
15 cm
13 cm
Algebra.Com
Question 817217: What is the length of a diagonal of a rectangle whose sides are 5 cm and 12 cm long?
23 cm
17 cm
15 cm
13 cm
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
By using Pythagoras.
5^2 + 12^2 = diagonal^2
25 + 144 = diagonal^2
Diagonal =
Diagonal = 13 cm.
Hope this helps.
:-)
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