ACP Geometry Flashcard

Front

What is a regular polygon?

Back

A regular polygon is a polygon with all sides and all angles equal.

Front

How do you calculate the interior angle of a regular polygon?

Back

The formula for the interior angle of a regular polygon is (n-2) * 180° / n, where n is the number of sides.

Front

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

Back

The sum of the interior angles of a polygon with n sides is (n-2) * 180°.

Front

What is the relationship between parallel lines and angles?

Back

When two parallel lines are cut by a transversal, corresponding angles are equal, alternate interior angles are equal, and consecutive interior angles are supplementary.

Front

What is the definition of a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Front

What is the Triangle Inequality Theorem?

Back

The Triangle Inequality Theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Front

What is the formula for the area of a triangle?

Back

The area of a triangle can be calculated using the formula: Area = 1/2 * base * height.

Front

What does it mean for two angles to be congruent?

Back

Two angles are congruent if they have the same measure.

Front

What is the definition of a straight line?

Back

A straight line is the shortest distance between two points and extends infinitely in both directions.

Front

What is the equation of a vertical line?

Back

The equation of a vertical line is of the form x = a, where 'a' is the x-coordinate of any point on the line.