Unit four triangles lesson two triangle angle sum theorem quiz with five questions. Need help please

Answer 1

1. What does the Triangle Angle Sum Theorem state?

a) The sum of the three angle measures of any triangle is always 180 degrees
b) The sum of the three side lengths of any triangle is always equal
c) The sum of the angles in a triangle is always greater than 180 degrees

2. If one angle of a triangle measures 60 degrees, and another angle measures 70 degrees, what is the measure of the third angle?

a) 40 degrees
b) 50 degrees
c) 60 degrees

3. If the measure of one angle in a triangle is 90 degrees, what is the sum of the other two angles?

a) 90 degrees
b) 180 degrees
c) 270 degrees

4. If one angle in a triangle measures 50 degrees, and the second angle measures 70 degrees, what is the measure of the third angle?

a) 40 degrees
b) 60 degrees
c) 90 degrees

5. If the three angles of a triangle measure 60 degrees, 70 degrees, and 50 degrees, is the triangle a right triangle?

a) Yes
b) No
c) Not enough information to determine