Interior angles in Polygons and Exterior angles of triangles

Front

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

Back

180 degrees.

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

How many sides does a pentagon have?

Back

5 sides.

Front

What is the measure of each interior angle of a regular pentagon?

Back

108 degrees.

Front

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

Back

720 degrees.

Front

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

Back

120 degrees.

Front

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

Back

900 degrees.

Front

What is the measure of each interior angle of a regular heptagon?

Back

128.57 degrees.

Front

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

Back

360 degrees.

Front

What is the relationship between an interior angle and its corresponding exterior angle?

Back

They are supplementary; their sum is 180 degrees.