Is it possible to have a polygon whose sum of interior angles is 9 right angles

• Yes

• No

Calculate the sum of interior angles of a polygon with 12 sides.

• 1800

• 1400

• 1600

• 1700

Is it possible to have a polygon whose sum of interior angles is 870°

• Yes

• No

Find the number of sides in a polygon if the sum of its interior angles is 900°.

• 7

• 8

• 6

• 9

One angle of a seven _ sided polygon is 114° and each of the other six angles is x°. Find the magnitude of x°.

• 131°

• 130°

• 132°

• 129°.

The interior angles of a Pentagon are in the ratio 4:5:6:7:5. Find each angle of the Pentagon.

• 80°; 100°; 120°;140°;100°.

• 100°; 140°; 120°;100°; 80°.

• 140°;120°; 100°; 80°; 100°.

• 120°; 140°; 100°; 100°; 80°.

Two angles of a hexagon are 120° and 160° . If the remaining four angles are equal , find each equal angle.

• 80°

• 70°

• 60°

• 90°

Two angles of a polygon are right angles and the remaining are 120° each .find the number of sides in it.

• 5

• 4

• 6

• 7

The angles of a hexagon are x+10°,2x+20°, 2x-20°,3x- 50°, x+40°and x+20°.find x.

• 70°

• 60°

• 50°

• 80°

If each interior angle of a regular polygon is 144°, find the number of sides in it.

• 10

• 11

• 9

• 12