11. Which pair is vertical angles?
a. ∠FIV and ∠FIW
b. ∠VIN and ∠VIW
c. ∠FIW and ∠NIT
d. ∠NIT and ∠TIW
12. Which angles form a linear pair?
a. ∠FIW and ∠NIT
b. ∠VIN and ∠FIW
c. ∠FIW and ∠VIT
d. ∠NIT and ∠WIT
13. Which angles are adjacent but not supplementary?
a. ∠FIV and ∠VIN
b. ∠FIW and ∠FIN
c. ∠FIN and ∠NIT
d. ∠WIV and ∠VIN
14. Suppose ∠VIF measures 40ᵒ, what is m∠ FIW?
a. 40ᵒ
b. 50ᵒ
c. 130ᵒ
d. 140ᵒ
15. Suppose ∠NIT measures 55ᵒ, what is m∠ FIV?
a. 25ᵒ
b. 35ᵒ
c. 115ᵒ
d. 125ᵒ
