Respuesta :

Answer:

r=3

Step-by-step explanation:

[tex]\frac{2}{r}=\frac{12}{18}\\ \\\frac{2}{r}=\frac{2}{3}\\\\r=3[/tex]

Hi1315

Answer:

[tex]r = 3[/tex]

Step-by-step explanation:

[tex] \frac{2}{r} = \frac{12}{18} \\ [/tex]

use cross multiplication

[tex]18 \times 2 = 12r \\ 36 = 12r \\ \frac{36}{12} = \frac{12r}{12} \\ r = 3[/tex]

hope this helps

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