Respuesta :

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data:

Figure

angle ABD = 55°

angle ABC = ?

Step 02:

We must analyze the figure to find the solution.

angle ABC = 2 * angle ABD

angle ABC = 2 * 55° = 110°

The answer is:

angle ABC = 110°