in a triangle ABC A=35 DEGREE B=65 DEGREE C=? Share with your friends Share 1 Ayushi Chaurasiya answered this Dear Student,In △ABC, ∠A +∠B + ∠C =180°⇒35°+65°+∠C =180°⇒∠C =180°- (35°+65°)⇒∠C =180°-100°⇒∠C =80°Regards 0 View Full Answer Parvaiz Ahmad answered this 80 -1 Samiya Rahaman answered this When we add all the anglea of a triangle,it always gives 180 degree.Here the measurement of angle a and b are given.The total measurement is 100 degree.So the measurement of angle c is 80 degree. 1 S Nellaiappan answered this 80degree 0