Question

The radius of a circle with area A is approximately √A/3. The area of a circular mouse pad is 54 square inches. Estimate its radius to the nearest tenth.

Answer 1

Answer:

4.2

Step-by-step explanation:

First I did 54 divided by 3 which is 18.  Then I found the square root of 18.

Answer 2

The radius of the circular mouse pad is 4,4 inches.

What is the radius of the circular mouse pad?

The radius of the circular mouse pad is determined by the following formula;

$\rm Area =\pi r^2$

The radius of a circle with area A is approximately √A/3. The area of a circular mouse pad is 54 square inches.

The radius of the circular mouse pad is;

$\rm Area =\pi r^2\\\\ 54 = 3.14 \times r^2\\\\r^2=\dfrac{54}{3.14}\\\\r^2=17.19\\\\r=4.4$

Hence, the radius of the circular mouse pad is 4,4 inches.

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