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Which theorem is mainly used to find the hypotenuse in a square root spiral?

Answer and explanation

Correct answer: Pythagoras theorem

The governing concept is the Pythagorean relationship in a right triangle. If the perpendicular sides have lengths a and b and the hypotenuse is c, then c² = a² + b², so c = √(a² + b²). A square root spiral repeatedly creates right triangles; for example, legs √n and 1 give a hypotenuse √(n+1). Therefore option B, Pythagoras theorem, is correct. Thales theorem can help identify a right angle in some circle constructions, but it is not the calculation used here. The midpoint theorem concerns a segment joining midpoints, and the remainder theorem belongs to polynomial division, so neither finds the spiral’s hypotenuse.

Related tags

Number-SystemsSquare-Root-SpiralPythagoras-TheoremSquare Root SpiralNumber SystemsMathematicsClass 9 Mcq

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