(WITHOUT A CALCULATOR / GOOGLE)
Some of these numbers and operations you would come across when debugging Cryptovoxels code, so it's good to be able to mentally estimate them. Please give approximate answers (maximum of 2 decimal places), and skip questions you don't know.
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What is the square root of 100?
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What is the square root of 10?
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What is the square root of 2?
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What is half of π?
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What is the cosine of 45°?
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What is the length of a vector (1, 1, 1)?
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Normalise this vector to unit length (3, 4, 0)