Calculate Rectangle Perimeter: Finding the Total Length of a 4.8 cm × 12 cm Rectangle

Look at the rectangle below.

Side AB is 4.8 cm long and side AD has a length of 12 cm.

What is the perimeter of the rectangle?
4.84.84.8121212AAABBBCCCDDD

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Step-by-step video solution

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00:00 Calculate the perimeter of rectangle ABCD
00:03 Opposite sides are equal in a rectangle
00:10 The perimeter of the rectangle equals the sum of its sides
00:19 Let's substitute appropriate values and solve for the perimeter
00:26 And this is the solution to the problem

Step-by-step written solution

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1

Understand the problem

Look at the rectangle below.

Side AB is 4.8 cm long and side AD has a length of 12 cm.

What is the perimeter of the rectangle?
4.84.84.8121212AAABBBCCCDDD

2

Step-by-step solution

In the drawing, we have a rectangle, although it is not placed in its standard form and is slightly rotated,
but this does not affect that it is a rectangle, and it still has all the properties of a rectangle.
 
The perimeter of a rectangle is the sum of all its sides, that is, to find the perimeter of the rectangle we will have to add the lengths of all the sides.
We also know that in a rectangle the opposite sides are equal.
Therefore, we can use the existing sides to complete the missing lengths.
 
4.8+4.8+12+12 =
33.6 cm

3

Final Answer

33.6 cm

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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