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If a new hypotenuse is made from √6 in a square root spiral, which hypotenuse is obtained?

Answer and explanation

Correct answer: √7

A square root spiral uses a right triangle at every stage, adding a new perpendicular side of length 1 unit to the existing hypotenuse. If the existing hypotenuse is √6 and the new hypotenuse is h, the Pythagorean theorem gives h²=(√6)²+1²=6+1=7. Since h is a positive length, h=√7. Therefore option C is correct. √5 is the preceding member of the sequence, while √6 is the old hypotenuse already present, not the newly obtained one. √12 is incorrect because the added side contributes 1², not another 6 or a multiplication by 2. The construction therefore increases the squared hypotenuse from 6 to 7 and moves from √6 to √7.

Related tags

Square-Root-SpiralNext-HypotenusePythagorean-TheoremSquare Root SpiralNumber SystemsMathematicsClass 9 Mcq

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