Polygon

Which of the following is correct?

• A polygon is a figure which comprises of straight lines.

• A polygon is a figure which comprises of all types of curves.

• A polygon is a closed figure made up of straight lines.

• A polygon is a figure which comprises of straight lines and curves.

What is the general form of naming a polygon?

• Polygon

• Hexagon

• n-gon( where n represents number of sides in a polygon).

• Pentagon

What will be the sum of internal angles of a septagon?

• 650

• 700

• 450

• 900

What parameter is used to find the area and perimeter of a polygon?

• Curve

• Size

• Length

• Angle

What will be the exterior angles of a hexagon?

• 72°

• 60°

• 54°

• 108°

What will be the sum of exterior angle of a regular polygon?

• 360°

• 180°

• 540°

• 120°

In a quadrilateral the angles are 40°,120°,10° and x. Find x.

• 40°

• 120°

• 190°

• 180°

All sides of a four sided polygon are equal in length and its diagonals bisect each other at 90°. What would be the angle between two adjacent sides?

• Exactly 90°

• 90° or any acute angle

• 90° or any obtuse angle

• Can be any angle

If the angles of a four sided polygon are in the ratio7:8:9:12, then the angles would be?

• 70,80,90,100

• 70,70,80,80

• 120,70,80,100

• 70,80,90,120

What is the general formula to count the sum of all the interior angle of a polygon with 'n' number of sides?

• (n-2)×180°

• (n-2)×360°

• (n-1)×180°

• (n-1)×360°