Question

use △def to complete the statements. angle e is the included angle between sides < >. the included angle between sides fe and df is angle < >.

Explanation:

Step1: Identify sides for Angle E

Included angle at E: sides DE and EF meet at E.

Step2: Identify angle for FE & DF

FE and DF share vertex F; included angle is F.

Answer:

DE and EF, F