Solve this question Share with your friends Share 0 Saksham Tolani answered this Dear Student, Since the sum of all angels of a triangles =180°Let the base angles be 'x°' Therefore, x+x+40°=180° 2x=180°-40°2x=140° x= 140/2 x = 70°Hence the base angles of the triangle are 70°, 70° Regards! 1 View Full Answer Daivik Lakshmipathy answered this Dear Student, Since the sum of all angels of a triangles =180 Let the base angles be 'x' Therefore, x+x+40=180 2x=180-40 2x=140 X= 140/2 x = 70 Hence the base angles of the triangle are 70, 70 Regards, Daivik Lakshmipathy. 1