Angles Geometry

Front

What are parallel lines?

Back

Lines that never intersect and are always the same distance apart.

Tags

CCSS.HSG.CO.A.1

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees.

Tags

CCSS.8.G.A.5

Front

What is a supplementary angle?

Back

Two angles that add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What is a complementary angle?

Back

Two angles that add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is the angle bisector?

Back

A line that divides an angle into two equal parts.

Tags

CCSS.HSG.CO.C.9

Front

If two angles are vertical angles, what can be said about their measures?

Back

They are equal.

Tags

CCSS.7.G.B.5

Front

What is the relationship between alternate interior angles when two lines are parallel?

Back

They are equal.

Tags

CCSS.8.G.A.5