Answer:
Angle E is the included angle between sides DE and EF.
The included angle between sides FE and DF is angle F
Step-by-step explanation:
Given

Required
Complete the blanks
To solve this, I will attach an illustration of 
From the attached image of
, we can see that"
is between DE and EF
is between FE and DF
Answer:
B
Step-by-step explanation:
its some t.v show I guess
Answer:
1. 16 cm (squared)
3. 200 cm (squared)
Step-by-step explanation: