What is the total number of degrees in a circle?

• 270 degrees

• 90 degrees

• 180 degrees

• 360 degrees

What type of angle measures exactly 90 degrees?

• Straight angle

• Right angle

• Acute angle

• Obtuse angle

Which angles are always equal when two lines intersect?

• Complementary angles

• Supplementary angles

• Vertical angles

• Adjacent angles

What theorem states that interior angles on the same side of a transversal are supplementary?

• Same-side interior angles theorem

• Corresponding angles theorem

• Alternate exterior angles theorem

• Alternate interior angles theorem

If two angles are complementary and set as 3x and x + 10, what is the value of x?

• 30 degrees

• 15 degrees

• 25 degrees

• 20 degrees