Answer:

Step-by-step explanation:
Distance Formula: 
Simply plug in your 2 coordinates into the formula to find distance <em>d</em>:






my answer is: $7.93 if you need an explanation just ask
Well just add them up
2.47 + 8.99 + 6.47 = ???
The answer is $17.93
So you know that the two sides have to be the same number so the two sides are 14 the other side is 7