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First solution in Clear category for The Angles of a Triangle by tomasz.pucka
import math
def checkio(a, b, c):
if(not((a+b>c) and (a+c>b) and (b+c>a))): return [0, 0, 0]
cosgamma=0.000000000
cosbeta=0.000000000
cosgamma=(((a**2)+(b**2)-(c**2))/(2*a*b))
cosbeta=((a**2+c**2-b**2)/(2*a*c))
gamma=int(round(((math.acos(cosgamma))*180)/math.pi,0))
beta=int(round(((math.acos(cosbeta))*180)/math.pi,0))
alfa=180-gamma-beta
return sorted([alfa, beta, gamma])
#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"
Oct. 28, 2016
