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First solution in Clear category for The Angles of a Triangle by Michal_Cichy
from math import acos,pi
def checkio(a, b, c):
if a+b>c and a+c>b and b+c>a:
cosc=(a**2+b**2-c**2)/2/a/b
cosb=(a**2+c**2-b**2)/2/a/c
cosa=(b**2+c**2-a**2)/2/b/c
#replace this for solution
a=[round(acos(cosa)*180/pi,0),round(acos(cosb)*180/pi,0),round(acos(cosc)*180/pi,0)]
a.sort()
return a
else: return [0,0,0]
#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"
Dec. 11, 2016
