In the following image, 1 and 2 are:
a. adjacent and complementary
b. vertical and supplementary
c. adjacent and supplementary
d. vertical and complementary
![In the following image 1 and 2 are a adjacent and complementary b vertical and supplementary c adjacent and supplementary d vertical and complementary class=](https://us-static.z-dn.net/files/d5d/ef650fbc8efd0dd90182b7489d5a4f7c.png)