Angle Relationships and Properties

This lesson covers finding unknown angles using lines, focusing on complementary and supplementary angles. It explains how to calculate angles when given certain values and explores complex problems requiring logical reasoning. The lesson emphasizes the importance of understanding angle relationships, such as vertical angles and right angles, to solve problems effectively.

What is the sum of angles in a right angle?

• 45°

• 90°

• 180°

• 360°

If angle T is 40°, what is angle S in a complementary pair?

• 50°

• 70°

• 40°

• 60°

What is the measure of angle B if angle A is 20° in a complementary pair?

• 80°

• 70°

• 60°

• 90°

What do complementary angles add up to?

• 360°

• 90°

• 180°

• 45°

If two angles are both 45°, what type of angles are they?

• Vertical

• Adjacent

• Complementary

• Supplementary

What is the sum of supplementary angles?

• 90°

• 270°

• 180°

• 360°

If angle A is 105°, what is angle B in a supplementary pair?

• 95°

• 75°

• 65°

• 85°

What is angle Y if angle X is 54° in a supplementary pair?

• 116°

• 146°

• 126°

• 136°

If angles C and A are 28° and 40° respectively, what is angle B in a supplementary trio?

• 122°

• 102°

• 112°

• 132°

What is the measure of angle D if angle C is 55° and angle X is 90° in a supplementary set?

• 55°

• 45°

• 35°

• 25°