Respuesta :

Answer:

80 degrees.

Step-by-step explanation:

THe reason why the 3 angles add up to 180 degrees is because they are the 3 angles in the triangle.

So m APB = 180 - 100

= 80 degrees.

Answer:

in hint bap +abp +apb =180 (being sum of interior angle of triangle )

by using alternate angles ,crrosponding angles you can solved

Step-by-step explanation: