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Section 1.3.1 Incorrect formula of circle area #105

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jarmol opened this issue Oct 17, 2024 · 0 comments

jarmol commented Oct 17, 2024

Haskell MOOC Part 1
Section 1.3.1 Features

Algebraic datatypes / Pattern matching

This is the formula of circle's circumference:
area (Circle radius) = 2 * pi * radius

The correct formula of the circle area is here:
area (Circle radius) = pi * radius * radius

That is equivalent to this:
area (Circle radius) = pi * radius^2

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