Question

what is an angle that is supplementary to ∠fga?

Explanation:

Step1: Recall supplementary - angle def.

Two angles are supplementary if their sum is 180°. Adjacent angles forming a straight - line are supplementary.

Step2: Identify relevant angle.

$\angle FGA$ and $\angle FGE$ form a straight - line at point G.

Answer:

$\angle FGE$