Question

Which set of angle measures could form a triangle?
а
25°, 75°, 80°
40 50 60°
45, 35, 90°
100°, 30°, 40°

Answer 1

Answer:

a) 25º, 75º, 80º

Step-by-step explanation:

A triangle's angles add up to 180º only the first set adds up to 180º. 25º+75º+80º = 180 º