Respuesta :

pepe11
2x - 12 < 90
2x < 102
x < 51

Lilith
[tex] measure \ of \ an \ acute \ angle: \ (2x-12)\\\\An \ Acute \ Angle \ is \ less \ than \ 90^o \\\\2x-12<90 \ \ | \ add\ 12 \ to\ both\ sides\\\\2x-12+12<90+12 \\\\ 2x< 102 \ \ | \ divide \ both \ sides\ by\ 2\\\\x< 51^o [/tex]