A running track in the shape of an oval is shown. The ends of the track form semicircles. A running track is shown. The left and
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Answer:
Granted that uppercase letters are the angles measurements and lowercase letters are the side lengths. I also was unable to round as I don't know to what decimal you need to round to.
First to find the measure of angle B, we must subtract A and C from 180
B=54
Next, we can use the law of sines in order to find the measures of a and b
As a reminder, The law of sines is
First, lets solve for b
Next lets solve for a
68 miles / hour
Average speed = distance / time
distance = 170 and time = 5/2 ( as an improper fraction)
speed = 170 ÷ = 170 ×
=
= 68