Understanding Complementary and Supplementary Angles

This video tutorial explores various types of angles formed by intersecting lines. It begins with an introduction to straight angles and progresses to explain linear pairs, supplementary angles, and the concept of 'line equals 180'. The video also covers complementary angles and their relationship to right angles. It further delves into angles formed by intersecting lines, highlighting the properties of vertical angles. The tutorial concludes with practice problems to reinforce the concepts learned.

What is the measure of a straight angle?

• 90 degrees

• 180 degrees

• 360 degrees

• 45 degrees

What do you call two angles that form a line?

• Adjacent angles

• Vertical angles

• Linear pair

• Complementary angles

Which of the following is true about supplementary angles?

• They form a right angle

• They add up to 90 degrees

• They add up to 180 degrees

• They are always adjacent

What is the term for angles that add up to 180 degrees but do not form a line?

• Complementary angles

• Linear pair

• Supplementary angles

• Vertical angles

What is the sum of angles in a linear pair?

• 45 degrees

• 360 degrees

• 180 degrees

• 90 degrees

Which of the following is NOT a characteristic of supplementary angles?

• They are always adjacent

• They form a straight line

• They can be non-adjacent

• They add up to 180 degrees

Which of the following is true about angles that form a line?

• They are always equal

• They add up to 90 degrees

• They add up to 180 degrees

• They form a right angle

What is the measure of an angle that is supplementary to a 60-degree angle?

• 180 degrees

• 60 degrees

• 90 degrees

• 120 degrees

Which angle relationship is used when two angles are adjacent and form a straight line?

• Vertical angles

• Complementary angles

• Linear pair

• Supplementary angles

What is the measure of an angle that is supplementary to a 90-degree angle?

• 60 degrees

• 45 degrees

• 180 degrees

• 90 degrees