Answer:
Each of the remote angles shares one side with the angle adjacent to the exterior angle. The equation means that the sum of measures of the remote interior angles is equal to the measure of the exterior angle of the triangle.
The number of kilometers she will have left to run to finish the race is 0.9 km.
<u>Given the following data:</u>
- Speed =

To determine the number of kilometers she will have left to run to finish the race:
First of all, we would calculate the distance she has covered by using this formula;

Distance = 12.6 meters.
<u>For the </u><u>distance left</u><u>:</u>

Distance left = 0.9 km.
Learn more about distance here: brainly.com/question/10545161
Answer:



Step-by-step explanation:
Please see the attached picture for the full solution.