Respuesta :
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.
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.