Seudónimo Seudónimo

31-03-2017
Mathematics

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if you didn't have a protractor how could you reconstruct a quarter of it from 0 to 90 degrees ?

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Аноним Аноним

31-03-2017

Measure exactly the same length for example 5 inches and 5 inches and make the two ends of the lengths meet and put a small square at the bottom corner to make it a 90 degree angle.

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LandoTheGreat LandoTheGreat

31-03-2017

Or you can use the corner or a piece of paper that is 90‍♂️

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