1. Which of the following can be the sides of a triangle?
a. 3, 4, 5
b. 2, 2, 6
c. 2, 4, 7
d. 3, 5, 10

2. In triangle DEF, angle D = 50, angle E = 30, and angle F = 100, what side is the longest?
a. side DE
b. side DF
c. side EF