Polygons, Symmetry & Congruence

Front

What does it mean for two figures to be congruent?

Back

Two figures are congruent if they are the same size and same shape.

Front

Which of the following is NOT a characteristic of a polygon?

Back

Open Shape.

Front

What is a regular polygon?

Back

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

Front

What is an irregular polygon?

Back

An irregular polygon is a polygon with sides and angles that are not all equal.

Front

What type of angle measures more than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Front

What is a vertex in a polygon?

Back

A vertex is a point where two sides of a polygon meet.

Front

What is a polygon?

Back

A polygon is a closed shape with three or more straight sides.

Front

Can a shape with curved sides be a polygon?

Back

No, a polygon must have straight sides.

Front

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

Back

180 degrees.

Front

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

Back

360 degrees.