YOU ARE LEARNING:

Interior Angles of Polygons

# Interior Angles of Polygons

### Interior Angles of Polygons

We can find the sum of the interior angles of a polygon based on the number of sides that a polygon has.

Polygons are shapes with at least three straight sides. Triangles, squares and rectangles are all examples of polygons

Interior angles are the angles inside a polygon. Depending on the number of sides in a polygon, the sum of the interior angles changes.

How many of these are polygons? Find the 3 correct answers

You can select multiple answers

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

How many sides do you think a pentagon has?

1

Polygon names depend on the number of sides

We use a series of prefixes to determine the name and number of sides. Remember these, they will come in handy!

How many sides does a nonagon have?