Relax

Respuesta :

The value of x can be found by adding the two angles and setting them equal to 180 because they are on a straight line.

3h + 18 + 15h = 180
18h + 18 = 180
18h = 162
h = 9

So the value of h is 9

Answer:

Step-by-step explanation:

H=9 is the answer