Angle Relationships Answer Key

What kind of angle relationship is shown here?

• adjacent angles

• obtuse angles

• vertical angles

• supplementary angles

True or false?

Vertical angles are equal to each other.

• True

• False

Solve for y. Show your work in your notebook.

• y=8

• y=9

• y=10

What kind of relationship do these angles have?

• vertical

• supplementary

• complementary

Solve for x in this angle relationship.

Show your work in your notebook.

Make sure you notice that the one is negative!

• x=29

• x=28

• x=27

What is the relationship between complementary angles? Mark all that apply.

• Two angles that add up to 90 degrees.

• Two angles that add up to 180 degrees.

• Two angles that are adjacent to each other.

• Two angles that are vertical to each other.

What is true about supplementary angles?

Mark all that apply.

• The measure of two angles that equal to 90 degrees.

• The measure of two angles that equal 180 degrees.

• They are adjacent angles.

• They are vertical angles.

What kind of angle relationship is this picture showing you?

• Complementary angles

• Vertical angles

• Supplementary angles

Solve for x. Show your work in your notebook.

Make sure to notice that 6 is a negative number!!

• x=63

• x=62

• x=61

What is the value of x?

Show all work in the notebook.

• x=35

• x=32

• x=34

• x=30