Solving for Missing Angles

This video tutorial covers the use of complementary, supplementary, vertical, and adjacent angles to solve for unknown or missing angles. It provides examples and practice problems for each type of angle, demonstrating how to set up and solve equations to find unknown values. The tutorial emphasizes the properties of each angle type, such as complementary angles adding up to 90 degrees and supplementary angles adding up to 180 degrees. It also explains the concept of vertical angles being equal and adjacent angles sharing a common side and vertex.

What is the sum of complementary angles?

• 180 degrees

• 45 degrees

• 90 degrees

• 360 degrees

Tags

CCSS.7.G.B.5

How do you solve for an unknown angle when given one angle of a complementary pair?

• Subtract from 180 degrees

• Subtract from 90 degrees

• Multiply by 2

• Add 90 degrees

Tags

CCSS.7.G.B.5

What is the sum of supplementary angles?

• 360 degrees

• 90 degrees

• 180 degrees

• 270 degrees

Tags

CCSS.7.G.B.5

How do you find an unknown angle in a supplementary pair?

• Subtract from 180 degrees

• Add 180 degrees

• Divide by 2

• Subtract from 90 degrees

Tags

CCSS.7.G.B.5

In solving for X in an equation involving angles, what is the first step when dealing with a two-step equation?

• Combine like terms

• Subtract or add constants

• Multiply by the coefficient

• Divide by the coefficient

Tags

CCSS.7.EE.B.4A

What property do vertical angles have?

• They sum up to 360 degrees

• They are equal

• They are complementary

• They are supplementary

Tags

CCSS.7.G.B.5

How can you solve for an unknown angle when given vertical angles?

• Add the angles together

• Divide by 2

• Use the given angle as the unknown angle

• Subtract from 180 degrees

Tags

CCSS.7.G.B.5

What do adjacent angles share?

• A common side and vertex

• A sum of 180 degrees

• The same degree measure

• A sum of 90 degrees

Tags

CCSS.7.G.B.5

How do you find an unknown adjacent angle when given the overall angle?

• Divide by 2

• Multiply by 2

• Subtract the given angle from the overall angle

• Add the given angle

Tags

CCSS.7.G.B.5

What is the result when you subtract a smaller angle from the overall angle in adjacent angles?

• The unknown angle

• The supplementary angle

• The complementary angle

• The larger angle

Tags

CCSS.4.MD.C.7