Given the diameter d of the inner circle of the annulus. Given length z of a chord of the outer circle of the annulus. This chord is tangent to the inner circle of the annulus. Find the area y of the annulus.
Add two numbers
Permute diagonal and antidiagonal
Create a vector whose elements depend on the previous element
Sum of the Multiplication of Vectors
Given a square and a circle, please decide whether the square covers more area.
Acidity of vinegar and salts
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