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Estimate the area of the square shown below A.) 36 ft^2B.) 20 ft^2C.) 100 ft^2D.) 81 ft^2

Estimate The Area Of The Square Shown Below A 36 Ft2B 20 Ft2C 100 Ft2D 81 Ft2 class=

Sagot :

The area of a square can be calculated by using this formula:

[tex]A=s^2[/tex]

Where "s" is the length of a side of the square.

In this case, you can identify that:

[tex]s=9.7ft[/tex]

Then, in order to estimate the area of the square, you can follow these steps:

1. Round the length "s" to the nearest whole number. Since the first digit after the Decimal point is 7 and:

[tex]7>5[/tex]

You must round up:

[tex]s\approx10ft[/tex]

2. Knowing that:

[tex]10^2=10\cdot10[/tex]

You can determine that:

[tex]A\approx100ft^2[/tex]

Hence, the answer is: Option C.

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