Please can anyone answer this fast
Dear Student,
Side BC = Side AC
Hence Angle CAB = Angle CBA (Isosceles Triangle Property)
Angle CBA = 55
Hence Angle CAB = 55
Angle CAB + Angle CBA + Angle BCA =180 (Sum of measures of all angles of a triangle is 180)
Hence 55+55+x=180
i.e x=180-110 = 70
Regards.
Side BC = Side AC
Hence Angle CAB = Angle CBA (Isosceles Triangle Property)
Angle CBA = 55
Hence Angle CAB = 55
Angle CAB + Angle CBA + Angle BCA =180 (Sum of measures of all angles of a triangle is 180)
Hence 55+55+x=180
i.e x=180-110 = 70
Regards.