Polygon Angle Sum

What is the sum of all exterior angles of a given polygon?

• 180°

• 220°

• 360°

• 720°

Five angles of a pentagon measure 20°, 3x°, x°, 120°,4x°. Find the sum of the two largest angles of this pentagon

• 50°

• 120°

• 320°

• 350°

What is the value of x°?

• 135°

• 150°

• 120°

• 160°

The measures of the interior angles of a quadrilateral are 2x°, 3x°, 5x°, and 6x°. What is the measure of the smallest exterior angle?

• 24°

• 84°

• 45°

• 48°

What is the sum of all interior angles of a polygon with 13 sides?

• 1980°

• 2160°

• 1800°

• 1240°

What is the value of x°?

• 45°

• 33°

• 28°

• 62°

The measure of one interior angle of a regular polygon is 156°. How many sides does this polygon have?

• 13

• 12

• 15

• 18

What is the measure of each exterior angle in a regular polygon with 20 sides?

• 18°

• 20°

• 90°

• 10°