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Soloha48 [4]
3 years ago
9

The width of a rectangle is s. Its length is 3s. How long is a diagonal of the rectangle? Express your answer in simplified radi

cal form.
Mathematics
1 answer:
Valentin [98]3 years ago
3 0
By the pythagorean theorem:

h^2=x^2+y^2, h is the diagonal, and x and y are the sides so...

d^2=s^2+(3s)^2

d^2=s^2+9s^2

d^2=10s^2

d=s√10  (since 10=2*5 neither of which is a square so √10 cannot be simplified any further)

The diagonal is s√10 units
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