List the angles of triangle DEF in order from least to greatest. D(-2, -3), E(6, 3), F(-2, 8)
a. ∠E, ∠F, ∠D
b. ∠D, ∠E, ∠F
c. ∠F, ∠E, ∠D
d. ∠D, ∠F, ∠E