Answer:
Part 1: 1 mile.
Part 2: 1.32 mph.
Step-by-step explanation:
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9514 1404 393
100°
Arc BC is twice the measure of inscribed angle BEC, so is ...
arc BC = 2×50°
arc BC = 100°
300
17/100x=51
x=300
17/100(300)=51
48
66*2=132
180-132=48
