Area of a Square Practice

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Question 1

Given a square where the length of each side is 5cm. Find the area of this square.

Answer

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Select and check your answer...

A. 25 cm2
B. 25 cm
C. 10 cm2
D. 10 cm

Step by Step Solution

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    Step 1

    The picture below shows the square:

    a square with all sides of length 5cm
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    Step 2

    To calculate the area, we can start with the formula for the area of a square:

    formula for the area of a square
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    Step 3

    Since the length of each side is given as 5cm, we can substitute r with 5. After doing so, we can calculate for A, as shown below:

    Calculating the area of a square
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    Step 4

    Now, the calculated number 25 only has meaning if we include the unit for it. Since the given length is in cm, the unit for area will be cm2. Hence:

    A = 25 cm2
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    Step 5

    Clearly, the answer is A.

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