Sum of Interior Angles of a Polygon Guided Notes

Front

What is the formula to calculate the sum of the interior angles of a polygon?

Back

The formula is (n-2) × 180°, where n is the number of sides.

Front

How many degrees are in 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.

Front

Calculate the sum of the interior angles of a pentagon (5 sides).

Back

540 degrees.

Front

Calculate the sum of the interior angles of a hexagon (6 sides).

Back

720 degrees.

Front

What is the sum of the interior angles of a heptagon (7 sides)?

Back

900 degrees.

Front

What is the sum of the interior angles of an octagon (8 sides)?

Back

1080 degrees.

Front

If a polygon has 10 sides, what is the sum of its interior angles?

Back

1440 degrees.

Front

What is the sum of the exterior angles of any polygon?

Back

360 degrees.

Front

If you know the sum of the interior angles of a polygon is 720 degrees, how many sides does it have?

Back

It has 6 sides (hexagon).