Geometric Properties to Find the Perimeter of Plane Figures (Part 1)

The video tutorial explains how to calculate the perimeter of a plane figure by adding the lengths of its sides. It uses a quadrilateral as an example, breaking down the numbers into tens and ones for easier addition. The final perimeter is calculated by combining these simplified sums.

What is the perimeter of a plane figure?

• The total length of its sides

• The width of the figure

• The volume of the figure

• The area of the figure

How do you find the perimeter of a quadrilateral?

• Multiply the lengths of its sides

• Subtract the lengths of its sides

• Divide the lengths of its sides

• Add the lengths of its sides

Which of the following is a correct breakdown of the number 27?

• 15 plus 12

• 20 plus 7

• 25 plus 2

• 10 plus 17

What is the sum of two 20's and two 10's?

• 50

• 70

• 60

• 40

What is the final perimeter of the quadrilateral?

• 72 centimeters

• 76 centimeters

• 74 centimeters

• 78 centimeters