Which classification describes ∠ACD and ∠DCF?
A. complementary angles
B. supplementary angles
C. linear pair
D. vertical angles
![Which classification describes ACD and DCF A complementary angles B supplementary angles C linear pair D vertical angles class=](https://us-static.z-dn.net/files/dd2/e11d27b470eeb2cf2f9673b00fc9c172.gif)