Matt 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 19 inches. The length of the diagonal of the floor of the room in the plan is approximately 20.62 inches.

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

Question

Mathematics

Guest

28 November, 03:01

Matt 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 19 inches. The length of the diagonal of the floor of the room in the plan is approximately 20.62 inches.

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

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Answers (1)

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Alina Erickson · Answer 1

If the room is in the shape of a square, then 19^2 + 19^2 = 20.62^2

19^2 + 19^2 = 361 + 361 = 722

sqrt (722) = 26.87

Because 19^2 + 19^2 ≠ 20.62^2

Therefore, the room is not in the shape of a square.