Introduction to Vertically Opposite Angles

What is the sum of angles on a straight line?

• 90 degrees

• 270 degrees

• 180 degrees

• 360 degrees

If one angle is 150 degrees, what is the adjacent angle on a straight line?

• 90 degrees

• 60 degrees

• 150 degrees

• 30 degrees

What can be said about vertically opposite angles when two lines intersect?

• They are always different

• They are equal

• They sum up to 90 degrees

• They are complementary

In which geometric figure are vertically opposite angles commonly found?

• Intersecting lines

• Circles

• Squares

• Triangles

How are vertically opposite angles related in parallel lines?

• They are supplementary

• They are different

• They are equal

• They are complementary