Respuesta :

Answer:

78 cm

Perimeter = 12 x 3 + 9 x 3 + 15 = 36 + 27 + 15 = 78 cm

Hope that helps!

kourdilu

Answer:

Try 78

Step-by-step explanation:

EF is just AB times three. Assume you use the same scale factor for all side you get GE as 27 and GF as 36.