8.GR.A.1: Use the relationships between supplementary, complementary, vertical, and adjacent angles to write and solve equations for an unknown angle.

Use the relationships between supplementary, complementary, vertical, and adjacent angles to write and solve equations for an unknown angle.

Example Problems

∠w

and

∠x

are supplementary angles.

∠w

measures

170\degree

.
What is the measure of

∠x

?

\\angle w

and

\\angle x

are supplementary angles.

\\angle w

measures

110^\\circ

. What is the measure of

\\angle x

?

\angle w

and

\angle x

are supplementary angles.

\angle w

measures

33°

.
What is the measure of

\angle x

?

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