Area of a Square Practice

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Question 2

Given a square with the area of 16in2. Find the length of each side of the square.

Answer

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Select and check your answer...

A. 4 in2
B. 4 in
C. 8 in2
D. 8 in

Step by Step Solution

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    Step 1

    The picture below shows the square with sides of length L.

    a square with the sides of length L
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    Step 2

    Since the value of the area is given as 16in2, we can substitute A with 16 as shown below:

    substituting A with 16
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    Step 3

    Now, we have L2 = 16. Since L square is a multiplication of L twice, we can find L by taking the square root of 16. This is shown below:

    square root of 16 is 4
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    Step 4

    Now, the calculated number 4, has no meaning until we include the unit for it. Since the area is in in2, L will be in inch. Hence:

    L = 4 in
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    Step 5

    Therefore, the answer is B.

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