Question

If measure of angle abd=48 and measure of angle dbc=78 find the measure of angle abc​

Answer 1

126°

Explanation:

given <abd = 48 and <dbc = 78, hence the addition rule is true<abc = <abd + < dbc

Substituting the given values inti the formula;

< abc = 48+78

< abc = 126°

The measure of angle abc is therefore 126°