Rectangle with Area 70: Calculate the Perimeter Using Given Dimensions

If the area of a rectangle is equal to 70.

Calculate the perimeter of the rectangle.

707070101010777AAABBBDDDCCC

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:06 Let's determine the perimeter of the rectangle.
00:10 The perimeter is the total length around the rectangle. Add up all the sides.
00:15 Remember, in a rectangle, opposite sides are equal.
00:22 Now, plug in the given values, and calculate the perimeter.
00:26 Great job! That's how we find the perimeter.

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

If the area of a rectangle is equal to 70.

Calculate the perimeter of the rectangle.

707070101010777AAABBBDDDCCC

2

Step-by-step solution

Given that in a rectangle every pair of opposite sides are equal to each other, we can state that:

AB=CD=10 AB=CD=10

AC=BD=7 AC=BD=7

Now we can calculate the perimeter of the rectangle by adding all the sides together:

7+10+7+10=14+20=34 7+10+7+10=14+20=34

3

Final Answer

34

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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