A) <DAE = 180-126 = 54
b) <EBC = 90 - 48 = 42
c) <BAE = 180-48-54=78
<span>85 x 63 = 5355
hope it helps
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Average speed = total distances / total time
3115.8 / 7.2 = 432.75 mi/h
Yes, it is very important otherwise some teachers may count the problem wrong.
