Question

find the measure of the angle ABC in each of the following using the property of the given figure​

Answer 1

hey pihu... hello!

Property of sum of measures of angles in triangle: the sum of all angles of a triangle measure 180°

therefore, in ∆ ABC,

Angle A+ Angle B + Angle C= 180°

60°+angle B + 50°= 180°

angle B+ 110°=180°

angle B= 180°-110°

angle B= 70°

therefore,

measure of angle ABC= measure of angle B= 70°

Answer 2

By angle sum property of a triangle,

angle A+B+C= 180 degrees

given, angle A =60 degrees

and angle C=50 degrees

60+50+C=180

C=180-110

angle C= 70 degrees