Two joggers run 8 miles north and then 5 miles west. What is the shortest distance, to the nearest tenth of a mile, they must travel to return to their starting point? A. 8.4 miles B. 9.4 miles C. 9.5 miles D. 13.1 miles *PLEASE SHOW WORK!*
Mathematics · Middle School · Thu Jan 21 2021
llm
Answered on
Based on the given conditions
We have a right triangle who’s sides are 5 (a) and 8 (b). We need to know the hypotenuse (c) of this triangle.
then
a^2 + b^2 = c^2
5^2 + 8^2 = c^2
25 + 64 = c^2
89 = c^2
9.433 miles = c
the nearest tenth of a mile = 9.4 miles