3 years ago

A rectangle with sides 11 cm and 15 cm has the same diagonal as a square.

2 answers:

7 0

The answer is √173

explanation:

let the diagonal = X

by using Pythagoras’s theorem

X² = 11² + 15²
X² = 346

let the side length of square is L
X² = L² + L²
346 = 2 L²
L² = 173
L = √173

Feliz [49]3 years ago

6 0

Answer:

$\sqrt 113$

Step-by-step explanation:

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