Solving problems involving angles and equations

 Name the relationship between <5 and <6

• Complementary
• Linear Pair
• Vertical
• Neither

What is the measure of  $\angle CBD$ ?

•  $90\degree$  

•  $42\degree$  

•  $44\degree$  

•   $48\degree$  
  

x = ____

Which phrase is incorrect?

• Complementary angles have to be adjacent.
• Supplementary angles equal 180°.
• Complementary angles can make a right triangle. 
• Complementary angles add up to be half of 180°.

Level 2: Find the pair of Complementary angles

• Angle FGE and Angle DGE

• Angle FGE and Angle KGC

• Angle CGD and Angle IGF

• Angle IJH and Angle HJG

Angles in the same plane with a common vertex & a common side, but no common interior points.

• Vertical
• Complementary
• Adjacent
• Suplementary

Fill in the reason for number 5. 

• Definition of congruent angles
• Angle Addition Postulate
• Substitution Property
• Transitive Property

Supply the reason for Statement 5:

 $\angle2+\angle4=90°$  

• Definition of congruent angles

• Angle Addition Postulate

• Substitution Property

• Transitive Property

Find the measure of < D.

• 45 degrees

• 60 degrees

• 90 degrees

• 30 degrees

solve for x

• 55/3

• 9

• 39

• None of the above