find the number of degrees in
![find the number of degrees in class=](https://us-static.z-dn.net/files/d83/f4b8d1b0ffd02398386f3f8732622daf.png)
Answer:
110º
Step-by-step explanation:
The two given angles are co-interior angles, and add up to 180º.
So, set up an equation.
3x+4 + 5x = 180
8x = 176
x = 22
Now, angle D is also cointerior to angle C, meaning THEY add up to 180 as well.
D + 3x+4 = 180
sub x=22
D + 3(22)+4 = 180
D = 180 - 70
D = 110