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In a square root spiral, when a perpendicular segment of length 1 is added at the end of the previous hypotenuse at each step, which statement about the new hypotenuse is correct?

Answer and explanation

Correct answer: The square of the new hypotenuse increases by 1 compared with the square of the previous hypotenuse.

Each new right triangle has the previous hypotenuse as one leg and 1 as the other. By Pythagoras, new square = previous square + 1. Option B is wrong because the length itself does not rise by 1. Exam tip: compare squares of hypotenuses, not their lengths.

Related tags

Square Root SpiralNumber SystemsPythagorean TheoremIrrational NumbersGeometryClass 9 MathematicsMathematicsClass 9 Mcq

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