Triangle

Challenge Overview

Determine if a triangle is equilateral, isosceles, or scalene.

Visit the triangle exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

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The following are the top 3 community solutions by stars:

Solution 1 by @DirkGroot (⭐ 3) — View on Exercism
Solution 2 by @choffee (⭐ 0) — View on Exercism
Solution 3 by @fergalbyrne (⭐ 3) — View on Exercism

Source: Exercism clojure/triangle

💡 View Solution

(ns triangle)

(defn is-valid? [a b c]
  (and (every? #(> % 0) [a b c])
       (>= (+ a b) c)
       (>= (+ a c) b)
       (>= (+ b c) a)))

(defn equilateral? [a b c]
  (and (is-valid? a b c)