Given the radius is 2, the circumference will be 12.5663.
Hello, Yeo Kai Shun. Two tips for creating Problems in Cody: (1) do not disclose the solution method within your Test Suite; (2) consider including an allowance for slight rounding in submitted answers [e.g. submission that are just 0.01% more or less than the 'exact' solution]. —DIV
Angle between two vectors
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Sum of diagonal of a square matrix
Solving Quadratic Equations (Version 1)
Finding an element in a vector
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