Look at the square below:
What is its area?
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Look at the square below:
What is its area?
The area of the square is equal to the side of the square raised to the second power.
That is:
Since the drawing gives us one side of the square, and in a square all sides are equal, we will solve the area of the square as follows:
Look at the square below:
What is the area of the square equivalent to?
Multiplying by 4 gives you the perimeter (the distance around the outside). For area (the space inside), you need to multiply length × width, and since all sides are equal in a square, that's .
The number 36 is just a value, but 36 square units tells us we're measuring area. Always include units in your final answer - it shows you understand what you're calculating!
Think of it as filling up the square with unit squares. With side length 6, you can fit 6 rows of 6 unit squares each, giving you total unit squares.
The same formula works! You'd calculate square units. The method never changes, just the arithmetic.
No! Rectangles have different length and width, so you use . The formula only works for squares because all sides are equal.
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