Chapter 7 Test Constructions and Scale Drawings

Front

What is the sum of the interior angles of all quadrilaterals?

Back

360°

Front

What are complementary angles?

Back

Two angles that add up to 90°.

Front

What are supplementary angles?

Back

Two angles that add up to 180°.

Front

What are adjacent angles?

Back

Angles that share a common side and vertex.

Front

What is a linear pair of angles?

Back

Two adjacent angles that form a straight line, adding up to 180°.

Front

What are vertical angles?

Back

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

Front

If angle A is 81°, what is the measure of its complementary angle?

Back

9°

Front

If angle B is 25°, what is the measure of its supplementary angle?

Back

155°.

Front

What is the measure of angle x if it is complementary to 35°?

Back

55°.

Front

What is the measure of angle y if it is supplementary to 45°?

Back

135°.