If an equilateral triangle has area A, then what is the length of each of its sides, x?
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Definitely helpful if you draw a picture first.
Extract leading non-zero digit
Omit columns averages from a matrix
Basic arrays operations.
Find the 9's Complement
Divisible by 2
Side of a rhombus
Length of the hypotenuse
Is this triangle right-angled?
Length of a short side
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