Interior and Exterior Angles of Polygons

Front

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

Back

180 degrees.

Front

What is the name of a polygon with 6 sides?

Back

Hexagon.

Front

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

Back

(n - 2) × 180 degrees, where n is the number of sides.

Front

What is the sum of the interior angles in a 13-gon?

Back

1980 degrees.

Front

How many sides does a decagon have?

Back

10 sides.

Front

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

Back

360 degrees.

Front

What is the name of a polygon with 7 sides?

Back

Heptagon.

Front

What is the sum of the interior angles in a pentagon?

Back

540 degrees.

Front

If a polygon has 8 sides, what is it called?

Back

Octagon.

Front

What is the measure of each interior angle in a regular hexagon?

Back

120 degrees.