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First solution in Clear category for The Angles of a Triangle by marcelina.gorzelana
import math
def cosine(a, b, c):
return (b*b + c*c - a*a) / (2 * b * c)
def checkio(a, b, c):
res = [0, 0, 0]
if a + b > c:
res[0] = round(math.degrees(math.acos(cosine(a, b, c))), 0)
res[1] = round(math.degrees(math.acos(cosine(b, a, c))), 0)
res[2] = round(math.degrees(math.acos(cosine(c, a, b))), 0)
res.sort()
return res
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio(4, 4, 4) == [60, 60, 60], "All sides are equal"
assert checkio(3, 4, 5) == [37, 53, 90], "Egyptian triangle"
assert checkio(2, 2, 5) == [0, 0, 0], "It's can not be a triangle"
Nov. 23, 2016
