Triangle angle theorems?
What is the value of H?
![Triangle angle theorems What is the value of H class=](https://us-static.z-dn.net/files/dad/52aa81ed79143ddc739b35107e4d35a4.png)
the measure of those two angles equals 180 since it forms a line
so you add up both angles and set that equal to 180.
(I'll use x as the variable but it's still the same answer)
5x-3+9+x=180
combine like terms
6x+6=180
subtract 6
6x=174
then divide by 6
x=29