Lines and Angles Day 1

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What happens to parallel lines?

Back

Parallel lines will never intersect.

Front

Define a line segment.

Back

A line segment is a part of a line that has two endpoints.

Front

What is the definition of a line?

Back

A line is straight and extends in both directions forever.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

What is a transversal line?

Back

A transversal line is a line that intersects two or more lines at different points.

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.