Triangles, polygons and constructions

Question 1 of 10

Each exterior angle of a regular polygon is 36°. (a) How many sides does the polygon have? (b) Find each interior angle. (c) Find the sum of its interior angles.

Question 2 of 10

Find the sum of the interior angles of a pentagon.

Question 3 of 10

The exterior angles of any convex polygon add up to

Question 4 of 10

A polygon with 5 sides is a

Question 5 of 10

Find the sum of the interior angles of a hexagon.

Question 6 of 10

To bisect an angle using a pair of compasses means to

Question 7 of 10

In triangle PQR, angle P = 66° and angle Q = 77°. Find the exterior angle at R.

Question 8 of 10

Each interior angle of a regular polygon with 8 sides is ___°.

Question 9 of 10

Each exterior angle of a regular polygon is 24°. (a) How many sides does the polygon have? (b) Find each interior angle. (c) Find the sum of its interior angles.

Question 10 of 10

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