Giải \(\Delta ABC.\) A \(\angle B = {45^0};\,\,\,\angle C = {45^0}\) B \(\angle B = {60^0};\,\,\,\angle C = {30^0}\) C \(\angle B = {30^0};\,\,\,\angle C = {60^0}\) D \(\angle B = {35^0};\,\,\,\angle C = {55^0}\)
Giải \(\Delta ABC.\) A \(\angle B = {45^0};\,\,\,\angle C = {45^0}\) B \(\angle B = {60^0};\,\,\,\angle C = {30^0}\) C \(\angle B = {30^0};\,\,\,\angle C …