MARKING AS BRAINLIST HELP ASAP

42

Step-by-step explanation:

Because the circle is tangent to all sides, that makes the perimeter of the triangle equivalent to the sum of the numbers given, multiplied by 2.

(6+10+5)(2) = 42 inches

step-by-step explanation:

once you graph it hit 2nd (the blue button) and graph

that takes you to a table of coordinates

on the left is x coordinates and on the right is y coordinates and an empty box

(you may have to scroll up/down in order to get ( x, 0)