The three sides of a triangle have lengths of x units, (x - 4) units, and (x^2 - 2x - 5) units for some value of x greater than 4. What is the perimeter, in units, of the triangle?

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)

c is the answer

step-by-step explanation:

b

step-by-step explanation:

it have 5 sides and 5 identicle angle.the rest does not have the same property as b.

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