Answer:
D
Step-by-step explanation:
Answer:
sorry the question isn't obvious at all, can you please rectify?
Answer in simplest radical form would be 7.(:
Supplementary angles, when added, equal 180 degrees
so < A + < B = 180...and if < A = 80
80 + < B = 180
< B = 180 - 80
< B = 100 <==