Naming Angles and Angle Addition Techniques

The video tutorial explains how to name angles using either the vertex or three points, emphasizing the importance of using three letters to avoid confusion. It provides examples of calculating angle measures by adding smaller angles and solving for unknown angles using equations. The tutorial also covers identifying angles and providing alternative names, concluding with a summary of angle addition principles.

What is the reason for using three letters to name an angle when multiple angles share the same vertex?

• To follow a tradition

• To make the name shorter

• To avoid confusion

• To make it look complex

If angle FEA is 54 degrees and angle AER is 29 degrees, what is the measure of angle FER?

• 54 degrees

• 83 degrees

• 29 degrees

• 25 degrees

Tags

CCSS.7.G.B.5

In the equation part + part = whole, if one part is 29 degrees and the whole is 54 degrees, what is the other part?

• 54 degrees

• 29 degrees

• 25 degrees

• 83 degrees

Tags

CCSS.4.MD.C.7

What is the measure of angle LKM if angle JKL is 74 degrees and angle JKM is 100 degrees?

• 26 degrees

• 74 degrees

• 100 degrees

• 39 degrees

Tags

CCSS.7.G.B.5

Which of the following is a correct name for an angle measuring 74 degrees with vertex K?

• Angle K

• Angle MKJ

• Angle JKL

• Angle LKM

What is another name for angle JKL?

• Angle LKJ

• Angle KJL

• Angle JKM

• Angle MKJ

If angle BEF measures 39 degrees, what is another name for this angle?

• Angle FEB

• Angle BE

• Angle EFB

• Angle E

Which angle measures 76 degrees with vertex D?

• Angle EDH

• Both A and B

• Angle HDE

• Angle DEF

What is the measure of angle LKM if angle JKL is 74 degrees and angle JKM is 100 degrees?

• 26 degrees

• 74 degrees

• 39 degrees

• 100 degrees

Tags

CCSS.7.G.B.5

What is the measure of angle FEA if angle FER is 54 degrees and angle AER is 29 degrees?

• 83 degrees

• 25 degrees

• 54 degrees

• 29 degrees

Tags

CCSS.7.G.B.5