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Pelurus C atau PC = 93
Pelurus A atau PA = 125
dan sudut A + sudut B + sudut C = 180
PC + C = 180
PA + A = 180
A + B + C = 180
93 + C = 180
C = 180 - 93
C = 87
125 + A = 180
A = 180 - 125
A = 55
A + B + C = 180
55 + B + 87 = 180
B + 142 = 180
B = 180 - 142
B = 38
Semoga bermanfaat, maaf jika ada kesalahan :')