Question

Which angle is the included angle for DE and FE?

a) ∠DEF
b) ∠EDF
c) ∠EFD
d) ∠FED

Answer 1

The included angle for DE and FE is represented by option c) ∠EFD.

Step-by-step explanation:

The included angle for DE and FE is represented by option c) ∠EFD.

1. DE is the side opposite to angle ∠EFD.
2. FE is the side adjacent to angle ∠EFD.
3. Therefore, ∠EFD is the included angle for DE and FE.