Angle Measurements

7th Angles Relationships

Multiple Choice

Use the information provided to answer Part A and Part B.

Kendrick knows that the measure of XYZ is 38^o. He also knows that XYZ and GHI are complementary and that GHI and PQR are supplementary.

Part A

What is the measure of angle GHI?

Part B

What is the measure of angle PQR?

• 38^o and 28^o

• 42^o and 38^o

• 52^o and 128^o

• 142^o and 52^o

Multiple Choice

Angles DEF and EFG are complementary angles. The measure of ∠DEF can be represented by the expression (3x + 15)° and the measure of ∠EFG can be represented by the expression (8x − 2)°.

What is the measure, in degrees, of ∠EFG?

• 25°

• 36°

• 45°

• 54°

Multiple Choice

A right triangle is shown below.

What is the value of W in the diagram?

• 149^o

• 121^o

• 59^o

• 31^o

Fill in the Blanks

Multiple Choice

Look at the diagram.
If the measure of $$\angle$$ R is 10° less than the measure of $$\angle$$ S, what is the measure of $$\angle$$ T in degrees?

• 40° 

• 50°  

• 130°

• 140°