Triangles, polygons and constructions

Question 1 of 10

Find the sum of the interior angles of a pentagon.

Question 2 of 10

Each interior angle of a regular polygon with 12 sides is ___°.

Question 3 of 10

A 90° angle can be constructed by bisecting a straight angle.

Question 4 of 10

The sum of the interior angles of a triangle is

Question 5 of 10

A polygon with 5 sides is a

Question 6 of 10

Find the sum of the interior angles of a 11-sided polygon.

Question 7 of 10

Each interior angle of a regular polygon with 6 sides is ___°.

Question 8 of 10

Find the sum of the interior angles of a nonagon.

Question 9 of 10

To bisect an angle using a pair of compasses means to

Question 10 of 10

The interior angles of a hexagon add up to 720°.