If a rhombus has diagonals of length x and x+1, then what is the length of its side, y?
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Find the sum of all the numbers of the input vector
Back to basics 22 - Rotate a matrix
Return elements unique to either input
Set some matrix elements to zero
Pernicious Anniversary Problem
Is this triangle right-angled?
Area of an equilateral triangle
Side of an equilateral triangle
Dimensions of a rectangle
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