Yes! I too think that rationalisation can help!

Geometry Level 4

How many moves are required to divide a line segment using a collapsible compass and a staightedge in the ratio :

2 3 : 2 + 3 2-\sqrt { 3 } :2+\sqrt { 3 }

Refer to this note for the definition of one "move".


The answer is 10.

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1 solution

This is a nice question.

I'm curious: what is the app that you use to draw these diagrams?

Pi Han Goh - 4 years, 4 months ago

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You had recommended me this app, Euclidea.

Vishwash Kumar ΓΞΩ - 4 years, 4 months ago

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Oh of course! How did I forget that?

Pi Han Goh - 4 years, 4 months ago

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