Respuesta :

madethisfortwitch1

Answer:

A

Step-by-step explanation:

3x+h=180

h=180-3x

x+15+x+15+180-3x=180

-x+210=180

-x= -30

x=30

Now that we know that x=30 we can easily figure out the values of the other angles

HDZ= 45

HZD= 45

x=3