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.
Sums with Excluded Digits
Find a Pythagorean triple
Square the input
Skip by a multiple
Replace values under a limit
Have you seen any Spindromes recently?
Dick Van Dyck?
Predicting life and death of a memory-less light bulb
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