the lengths of the edges of a triangle is )3x4)ft, (x2-1)ft, and (2x2-15). what is the perimeter of the triangle if x=4?

answer: plz give a pic and answer choices so i can answer!

step-by-step explanation:

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk