taotuatrinity taotuatrinity

11-05-2021
Mathematics

contestada

triangleACB~triangleEFD

triangleACBtriangleEFD class=

Respuesta :

Medunno13 Medunno13

23-07-2022

Answer: 4

Step-by-step explanation:

Corresponding sides of similar triangles are proportional, so

[tex]\frac{y}{12}=\frac{5}{15}\\\\\frac{y}{12}=\frac{1}{3}\\\\y=4[/tex]

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