print("Bangun Datar Segitiga")
a = int(input("alas : "))
Sb = int(input("sisi B : "))
Sc = int(input("sisi C: "))
t = int(input("Tinggi : "))
L = 1/2 * a * t
K = a+Sb+Sc
print("Luas Segitiga = ", L, "cm2")
print("keliling Segitiga = ", K, "cm")
