I WONDER - What Is An Octagon?

The video tutorial introduces 2D shapes, focusing on the Octagon. It explains the etymology of the word 'Octagon', derived from 'Octa' meaning eight and 'gone' meaning sides. The tutorial also highlights that an Octagon has 20 diagonals.

What type of shape is an Octagon?

• 1D shape

• 2D shape

• 4D shape

• 3D shape

What does the prefix 'Octa' in Octagon signify?

• 9

• 8

• 7

• 6

What does the suffix 'gone' in Octagon mean?

• Edges

• Vertices

• Angles

• Sides

How many diagonals are there in an Octagon?

• 20

• 18

• 16

• 22

Which of the following is true about an Octagon?

• It has 10 sides.

• It is a 3D shape.

• It has 20 diagonals.

• It is a type of triangle.