Respuesta :

wegnerkolmp2741o

Answer:

C   9x^2 +15x +36

Step-by-step explanation:

Equilateral triangles have the same angles and the same length sides.

All the sides of the triangle have the length 3x^2+5x+12

The perimeter will be 3s  since the sides are the same

P=3s

P =3(3x^2+5x+12)

Distribute

P = 9x^2 +15x +36

rayannenova

Answer:

c

Step-by-step explanation:

because u times all of the numbers by 3 because it is an equideratelal triangle

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