Geometry Ch 3 Review

Front

What are parallel lines?

Back

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

Front

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

Back

180 degrees.

Front

What is a transversal?

Back

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

Front

What are corresponding angles?

Back

Angles that are in the same position on different parallel lines cut by a transversal.

Front

What is the relationship between alternate interior angles?

Back

They are equal when two parallel lines are cut by a transversal.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is a polygon?

Back

A closed figure with three or more straight sides.

Front

What is the difference between a regular and irregular polygon?

Back

A regular polygon has all sides and angles equal; an irregular polygon does not.

Front

What is the definition of a right angle?

Back

An angle that measures exactly 90 degrees.