Answer:
Step-by-step explanation:
a= 18 degrees
b= 36 degrees
c= 108 degrees
a 18
b 108
c 36
each quad is 90°
purple is 18 because 90/5
green is 36 because (90-18)/2
orange is 108 because 180-36x2
15.3 GAL.
2.) 11(17/21)
3.) -18(3/5)
4.) -28
