Perimeter of a Square Practice
Question 2
Given a square with the perimeter of 12ft.
Find the length of each side of the square.
Answer
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Step by Step Solution
Step 1
The picture below shows the square with the sides of length L.
Step 2
We start with the formula for the perimeter of the square, P=4L. Since the area is given as 12ft, we can substitute P with 12 as shown below:
Step 3
Now, we have 4L = 12. To find L, we need to divide both sides of the equation with 4. This is shown below:
Step 4
Now, the calculated number 3, has no meaning unless we include the unit for it. Since the perimeter is in feet, L will also be in feet. Hence:
L = 3ft
Step 5
Clearly, the answer is B.
To close the steps,
perimeter of a square practice page
