supplementary angles: look at the attachment to see the question
![supplementary angles look at the attachment to see the question class=](https://us-static.z-dn.net/files/d65/65066e81646585e03d23930479801b78.png)
Answer:
x = 21
Step-by-step explanation:
21 x 3 = 63 and 63 + 67 = 130 and sense there across from eachother this is correct because vertical angles are always the same measure.
Hope this helps!