Understanding Polygons

What is a polygon?

• A polygon is a three-dimensional object.

• A polygon is a shape with curved sides.

• A polygon is an open figure with straight sides.

• A polygon is a closed figure with straight sides.

How many sides does a triangle have?

• 4

• 2

• 5

• 3

Which of the following is a quadrilateral?

• A pentagon is a shape with five sides.

• A triangle is a shape with three sides.

• A circle is a shape with no sides.

• A quadrilateral is any shape with four sides.

What do you call a polygon with five sides?

• pentagon

• octagon

• quadrilateral

• hexagon

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

• 120 degrees

• 180 degrees

• 360 degrees

• 90 degrees