Solving problems involving angles and equations

Which reason justifies the statement below?

If <T and <U are complementary, then <T + <U = 90^∘.

• Complements Theorem

• Definition of Right Angles

• Definition of Complementary Angles

• Congruent Complements Theorem

Tags

CCSS.7.G.B.5

Which equation would solve for x?

• x + 38 = 90

• x + 38 = 180

• x = 90

• x = 38 + 90

Tags

CCSS.7.G.B.5

How many degrees are in an angle that is both complementary and supplementary to another angle?

• This is not possible.

Tags

CCSS.7.G.B.5

How many degrees is X?

• 37

• 47

• 7

• 90

Tags

CCSS.7.G.B.5

Find the measure of the missing angle.

• 28° 

• 18°

• 38°

• 22°

Tags

CCSS.7.G.B.5

Two angles whose sum of angle measures equals 90 degrees  

• Adjacent Angles 
• Complementary Angles
• Congruent Angles
• Supplementary Angles

Tags

CCSS.7.G.B.5

Solve for x

• 5
• 90
• 25
• 10

Tags

CCSS.7.G.B.5

Select the complementary angles.

• 
• 
• 
• 

Tags

CCSS.7.G.B.5

A right angle is complmentary. This means, when added together, it equals ____

• 180

• 90

• the other angle

• congruent

Tags

CCSS.7.G.B.5

Select the correct definition.

Complementary Angles

• two angles that have a measure of 90 degrees.

• angles that share a ray.

• a line with an endpoint and continues in the other direction.

• two angles that have a measure of 180 degrees. 

Tags

CCSS.7.G.B.5