Understanding Perimeter

This video tutorial explains the concept of perimeter, breaking it down into its etymological roots. It provides examples of calculating the perimeter of rectangles, squares, and other polygons, emphasizing the importance of knowing the lengths of all sides. The tutorial includes practice problems to reinforce learning, highlighting the congruency of sides in rectangles and squares, and the uniformity of sides in equilateral triangles.

What does the word 'perimeter' mean?

• The volume of a shape

• The distance around a shape

• The height of a shape

• The area inside a shape

Tags

CCSS.4.MD.A.3

How do you calculate the perimeter of a rectangle with sides 5 in and 2 in?

• 5 + 2

• 5 x 2

• 5 x 2 x 2

• 5 + 2 + 5 + 2

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CCSS.4.MD.A.3

If a rectangle has one side of 6 in and another of 3 in, what is the perimeter?

• 9 in

• 15 in

• 18 in

• 12 in

Tags

CCSS.3.MD.D.8

What is the perimeter of a triangle with sides measuring 3 in, 2 in, and 3 in?

• 9 in

• 10 in

• 8 in

• 6 in

Tags

CCSS.4.MD.A.3

In a square, if one side is 2 ft, what is the perimeter?

• 6 ft

• 10 ft

• 4 ft

• 8 ft

Tags

CCSS.3.MD.D.8

What is the perimeter of a polygon with sides measuring 5 in, 3 in, 5 in, 3 in, 10 in, and 6 in?

• 32 in

• 28 in

• 30 in

• 34 in

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CCSS.4.MD.A.3

For a rectangle with sides 7 in and 4 in, what is the perimeter?

• 24 in

• 22 in

• 20 in

• 18 in

Tags

CCSS.4.MD.A.3

If a square has a side length of 6 ft, what is its perimeter?

• 24 ft

• 18 ft

• 20 ft

• 22 ft

Tags

CCSS.3.MD.D.8

What is the perimeter of an equilateral triangle with each side measuring 3 in?

• 6 in

• 9 in

• 12 in

• 15 in

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CCSS.5.G.B.4

Which of the following shapes has all sides of equal length?

• Pentagon

• Scalene Triangle

• Square

• Rectangle

Tags

CCSS.5.G.B.4