Calculating Perimeters of Shapes

This video tutorial explains how to calculate the perimeter of various shapes, including squares, rectangles, triangles, and irregular shapes. It provides examples and step-by-step instructions for each shape, emphasizing the importance of adding the lengths of all sides. The tutorial also includes practice problems for viewers to test their understanding and concludes with a review of the solutions.

What is the perimeter of a square with each side measuring 7 cm?

• 21 cm

• 35 cm

• 42 cm

• 28 cm

How do you calculate the perimeter of a rectangle with a length of 4 meters and a width of 2 meters?

• 8 meters

• 14 meters

• 10 meters

• 12 meters

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

• 15 cm

• 10 cm

• 12 cm

• 13 cm

If an irregular shape has a total width of 12 meters and a portion of it is 8 meters, what is the missing width?

• 5 meters

• 4 meters

• 3 meters

• 2 meters

What is the perimeter of an irregular shape with sides measuring 8, 2, 4, 6, 12, and 8 meters?

• 36 meters

• 38 meters

• 40 meters

• 42 meters

What is the perimeter of a triangle if the sides are 8 cm, 8 cm, and 8 cm?

• 40 cm

• 32 cm

• 24 cm

• 16 cm

If a rectangle has a perimeter of 14 meters, what could be the possible dimensions?

• 2m x 4m

• 1m x 6m

• 2m x 5m

• 3m x 4m

How do you find the missing side of an irregular shape if one side is 2 cm and another is 3 cm?

• 4 cm

• 2 cm

• 5 cm

• 3 cm

What is the total perimeter of an irregular shape with sides 5 cm, 5 cm, 6 cm, and 6 cm?

• 20 cm

• 22 cm

• 24 cm

• 26 cm

If a short side of an irregular shape is 1 cm, what is the total length if the other side is 5 cm?

• 5 cm

• 7 cm

• 8 cm

• 6 cm