Respuesta :
Answer:
x=11
Step-by-step explanation:
both numbers added would be equal to 180º because they lie on a straight line. so, we can get the equation 15x+15=180
simplify to 15x=165
x=11
Answer:
x=11
Step-by-step explanation:
both numbers added would be equal to 180º because they lie on a straight line. so, we can get the equation 15x+15=180
simplify to 15x=165
x=11