Answer:
214
Step-by-step explanation:
A circle is 360 degrees
Arc EF is 146 degrees
EF + EDF = full circle
146 + EDF = 360
Subtract 146 from each side
146-146 +EDF = 360-146
EDF =214
Average temperature = (12 - 8 + 3 + 6 - 15) / 5 = -2/5 = -0.4
18/5= 3.6 and 15/14=1.07
3.6*1.07= 3.852
okay I need help please
find cos b in the triangle