Math 8 Unit 8-2 Homework

Front

What are complementary angles?

Back

Two angles whose sum is equal to 90°.

Front

What are supplementary angles?

Back

Two angles whose sum is equal to 180°.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are equal.

Front

What are adjacent angles?

Back

Two angles that share a common side and a common vertex.

Front

What is the equation to find the missing angle if one angle is 64° and they are supplementary?

Back

x + 64 = 180.

Front

What is the equation to find the missing angle if one angle is 64° and they are complementary?

Back

x + 64 = 90.

Front

If ∠1 and ∠3 are vertical angles, what can be said about their measures?

Back

They are equal.

Front

What is the relationship between alternate interior angles when two parallel lines are cut by a transversal?

Back

They are equal.

Front

What is the relationship between corresponding angles when two parallel lines are cut by a transversal?

Back

They are equal.

Front

If two angles are supplementary and one angle measures 38°, what is the measure of the other angle?

Back

142°.