Respuesta :

Answer:

120+5x+15+5x+15=180

10x=180-120-15-15

x=30°

tuesdayminhnguyen

Answer: 9^o

Step-by-step explanation:

(all angles in an isoceles triangle adds up to 180 degrees)
5 x + 15 + 120 = 180
5x  = 180 - 120 - 15
5 x = 45

   x = 9^o

Otras preguntas