Question

angle abc = 80° and bd is the angle bisector. find the measure of angle abd .


Ouestion picture is above and and it's very urgent please answer fast ​

Answer 1

Answer:

The measure of ∠ABD is 40°

Step-by-step explanation:

Given:

∠ABC= 80°

AD is the angle bisector

So, ∠ABD=∠DBC

∠ABC= ∠ABD +∠DBC

     80° = ∠ABD +∠ABD

    80° = 2∠ABD

 ∠ABD = 80° /2 =40°