Answer:
Angle ECD, aka the first one.
Answer: Another way to refer to <DCE is <ECD
Step-by-step explanation:
126 $
1- 18000 / 100 = 180
2- 180 x 0.7 = 126$
-21 + 28m = 8m + 19
20m = 40
m = 2
Answer:9
Step-by-step explanation: x+4=13
x=13-4
x=9