SiameaseKitten SiameaseKitten
  • 12-05-2019
  • Mathematics
contestada

this is my question :)

this is my question class=

Respuesta :

cblue8282 cblue8282
  • 12-05-2019

Answer:

EF = 12 cm

Step-by-step explanation:

If the triangles are similar, that means that their lengths are proportional. So, from what we are given, for every 5 cm ∆ABC has, ∆DEF has 4.

So, 5/4 = 15/EF.

5EF = 4*15

EF = 4 * 3

EF = 12 cm

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