Answer:
The measure of the shortest side is 851 miles
Step-by-step explanation:
Let
x ----> the measure of the shortest side
y ---> the measure of the middle side
z ---> the measure of the longest side
we know that
The perimeter of triangle is equal to
so
----> equation A
the shortest side measures 71 mi less than the middle side
----> equation B
the longest side measures 372 mi more the the middle side
----> equation C
substitute equation B and equation C in equation A
solve for y
Find the value of x
therefore
Sry but I only did 1,2,5,6,7&8
But am not sure if am correct just try
7.7
i sry i need points