Question

Which set of angle measures can be used to contruct a triangle?

A.45°,60°,75°
B.45°,65°,75°
C.50°,45°,75°
D.50°,65°,75°

Answer 1

The correct answer is A

Answer 2

Sum of all three angles of a triangle must be equal 180.

Let's add all the the angles of the given choices to get the correct answer.

A: 45+60+75=180

Sum of 45°,60°, and 75° is 180°. So, A is the correct answer.