If a rhombus has diagonals of length x and x+1, then what is the length of its side, y?
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This is confusing because the notation does not match the diagram
Tic Tac Toe FTW
Check if sorted
Replicate elements in vectors
Given a 4x4 matrix, swap the two middle columns
Vectors counting by 2
Is this triangle right-angled?
Dimensions of a rectangle
Area of an Isoceles Triangle
Length of a short side
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