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Why does the figure in a square root spiral look like a spiral?

Answer and explanation

Correct answer: Because each new right triangle is constructed by turning slightly around the previous triangle

In a square root spiral, each new right triangle is constructed by taking the hypotenuse of the previous triangle as one of its sides. The direction of the new side keeps changing, so the entire construction appears to turn like a spiral. Option B is incorrect because the line segments are not parallel. Exam tip: identify the successive right triangles and their changing direction in a square root spiral.

Related tags

Number SystemsSquare Root SpiralRight TrianglesGeometrical ConstructionIrrational NumbersMathematicsClass 9 Mcq

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