Question

The triangle above is changed so that the exterior angle shown measures 128 how does this affect angles b and c

Answer 1

There isn't enough information for me to help you. Could you attach a picture so that I can see the triangle and where angles B and C are? Thank you.

Answer 2

Answer:

the sum of the measures of angle B and angle C will also be 128 degrees meaning that the sum will decrease by 24 degrees.