The perimeter of deferent polygon, square or rectangle

This video tutorial explains how to calculate the perimeter of various polygons, including triangles, pentagons, squares, and rectangles. It introduces the general rule of summing the lengths of all sides for polygons and provides specific methods for squares and rectangles based on their properties. The video concludes with a summary of these methods.

How do you find the perimeter of a polygon?

• Add up the lengths of all its sides

• Divide the total length by the number of sides

• Multiply the length of one side by the number of sides

• Multiply the length and width

What is the perimeter of a triangle with sides measuring 4 cm, 3 cm, and 5 cm?

• 9 cm

• 12 cm

• 10 cm

• 15 cm

What is a key property of a square that helps in calculating its perimeter?

• It has three equal sides

• All sides are different

• It has two equal sides

• All sides are equal

How do you calculate the perimeter of a square with a side length of 2 cm?

• Add 2 cm and 4 cm

• Multiply 2 cm by 2

• Multiply 2 cm by 4

• Add 2 cm four times

How do you determine the perimeter of a rectangle?

• Multiply the length by the width

• Add the length and width, then multiply by 2

• Multiply the length by 4

• Add the length and width