Calculate the Perimeter: Rectangle with Dimensions 9 by 5 Units

Look at the following rectangle:

AAABBBCCCDDD95

Find its perimeter.

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find the perimeter of the rectangle
00:03 The perimeter of the rectangle equals the sum of its sides
00:16 Opposite sides in a rectangle are equal
00:20 Let's substitute appropriate values according to the given data and solve for the perimeter
00:31 Let's solve for each 2 factors separately and then sum them
00:36 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Look at the following rectangle:

AAABBBCCCDDD95

Find its perimeter.

2

Step-by-step solution

Since in a rectangle all pairs of opposite sides are equal:

AD=BC=5 AD=BC=5

AB=CD=9 AB=CD=9

Now we calculate the perimeter of the rectangle by adding the sides:

5+5+9+9=10+18=28 5+5+9+9=10+18=28

3

Final Answer

28

Practice Quiz

Test your knowledge with interactive questions

Look at the rectangle ABCD below.

Side AB is 6 cm long and side BC is 4 cm long.

What is the area of the rectangle?
666444AAABBBCCCDDD

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