Question

bd and eg are parallel lines. which angles are adjacent angles? ∠bca and ∠efh ∠dcf and ∠efc ∠bca and ∠dca ∠bcf and ∠dca

Explanation:

Adjacent angles share a common vertex and a common side. $\angle BCA$ and $\angle DCA$ share vertex $C$ and side $CA$.

Answer:

$\angle BCA$ and $\angle DCA$