Answer:
a=90
c=40
b=70
Step-by-step explanation:
a is right angle so 90
c is 160-90-30=40
b is 150-80=70
Answer:
Supplementary angles -- 1/4
Vertical Angles -- 6/8
Step-by-step explanation:
This basically says all the steps ! If you have any questions just tell me :)
Shorter. Because of the way the arches work. the pink dot is the center.