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just math solution in Clear category for The Angles of a Triangle by marcel.sliwinski
def checkio(a, b, c):
if a+b<=c or a+c<=b or b+c<=a:
return [0,0,0]
from math import acos, degrees
deg1=round(degrees(acos((a*a+b*b -c*c)/(2*a*b))))
deg2=round(degrees(acos((a*a+c*c -b*b)/(2*a*c))))
deg3=round(degrees(acos((c*c+b*b -a*a)/(2*c*b))))
ans=[deg1,deg2,deg3]
ans.sort()
return ans
#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"
Feb. 23, 2017
