Respuesta :

Ozgr
Note that sum of triangle interior angles is 180. So,

[tex](12x+12)+15+(3x+18)=180[/tex]

[tex]15x+45=180[/tex]

[tex]15x=135[/tex]

[tex]x=9[/tex]

Since [tex]A=12x+12=12.9+12=120[/tex]

And [tex]C=3x+18=3.9+18=45[/tex]
avasky0801

Answer:

a=120

c=45

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