I believe you graph this.. please let me know if wrong and I’ll help solve otherwise! The picture is the answer on how to graph
I wanna say 60 but i dont know
Answer:
144
Step-by-step explanation:
angle A + angle B = 180 (supplementary angle)
A = 4B
4b+b=180
5b=180
Divide 5 on both sides to get b=36
180-36= measure of angle A
180-36=144