Respuesta :

Bigger Triangle:
Perimeter = (4x + 2) + (5x - 4) + (7x + 7) 
Perimeter = 4x + 2 + 5x - 4 + 7x + 7
Perimeter = 16x + 5

Smaller Triangle:
Perimeter = (x + 3) + (2x - 5) + (x + 7)
Perimeter = x + 3 + 2x - 5 + x + 7
Perimeter = 4x + 5

Diffference = 16x + 5 - (4x + 5)
Difference = 16x + 5 - 4x - 5
Difference = 12x

Answer:
(a) Bigger Triangle =  16x + 5 ; Smaller Triangle =  4x + 5
(b) Difference = 12 x
gbergeron23
Blue triangle- 

a. 16x + 5.   To do this problem you combine all of the like terms, and that is your equation.


Pink triangle-

a. 4x + 5 You do the same steps you did before, combine like terms.

b.  12x   "The difference" means subtraction.  So you subtract the like terme
s of both the problems and get 12x.

Hope this helps!!

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