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.
Project Euler: Problem 2, Sum of even Fibonacci
Number of digits in an integer
Area of an equilateral triangle
y equals x divided by 2
5 Prime Numbers
Length of a short side
Is this triangle right-angled?
Length of the hypotenuse
Find a Pythagorean triple
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