Exploring Missing Angles in Triangles

The video tutorial covers solving for missing angles in triangles, focusing on special angle pairs like supplementary, right, and vertical angles. It includes examples of solving for specific angles using equations and substitution, and a word problem on complementary angles.

What is the sum of supplementary angles?

• 180°

• 360°

• 90°

• 45°

What is the measure of a right angle?

• 90°

• 60°

• 45°

• 120°

If two angles are vertical, what can be said about their measures?

• They are right angles

• They are equal

• They are supplementary

• They are complementary

In the example problem, what is the measure of angle A?

• 20°

• 32°

• 30°

• 26°

What is the measure of angle TPV if angle QPV is 115° and they are supplementary?

• 55°

• 45°

• 75°

• 65°

If angle QPR is 65°, what is the measure of angle RPS if SPT is a right angle?

• 55°

• 45°

• 35°

• 25°

What is the relationship between angles QPR and TPV?

• They are right angles

• They are complementary

• They are vertical

• They are supplementary

In the word problem, if one angle is four times larger than the other, what is the measure of the smaller angle?

• 20°

• 22°

• 18°

• 15°

What equation represents the relationship between the two complementary angles in the word problem?

• x + x = 90

• 5x = 180

• 4x + x = 90

• 3x = 90

How do you solve for x in the equation 5x = 90?

• Divide both sides by 5

• Subtract 5 from both sides

• Multiply both sides by 5

• Add 5 to both sides