Which set of three angles could represent the interior angles of a triangle?
2 answers:
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Answer:
Average speed = 4 mph
Step-by-step explanation:
Given as
Total distance to travel = 6 mile
now, for first 2 mile the avg speed = 6 mph
for next 2 mile the avg speed = 4 mph
and for rest 2 mile the avg speed = 3 mph
so, the average speed of the Richard =
Total Avg speed =
Or, = ×12
= 4
So the total Average speed = 4 mph (Answer)