# Answer to Question #29361 in Algebra for Sadaam Ahmed

Question #29361

Find the length of the diagonal of a rectangle with l = 9 cm and w = 3 cm.

Expert's answer

According to the Pythagorean theorem, the length of the diagonal of a rectangle is

L = √(l² + w²) = √(9² + 3²) = √(81 + 9) = √90 = 3√10 ≈ 9.49 [cm].

Answer: 9.49 cm.

L = √(l² + w²) = √(9² + 3²) = √(81 + 9) = √90 = 3√10 ≈ 9.49 [cm].

Answer: 9.49 cm.

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