100 POINTS

Gina looks at the architectural plan of a four-walled room in which the walls meet each other at right angles. The length of one wall in the plan is 17 inches. The length of the diagonal of the floor of the room in the plan is approximately 18.79 inches.

Is the room in the shape of a square? Explain how you determined your answer. Show all your work.

Use the Pythagorean theorem to find the diagonal of a square with side length of 17 would be:

Diagonal = SQRT(17^2 + 17^2)

Diagonal = SQRT(289 + 289)

Diagonal = sqrt(578)

Diagonal = 24.04

Since the diagonal is actually 18.79, the room is not a square,

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