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The circular mirror hanging on Malik's wall has a diameter of 16 inches. What is the mirror's area?

Question

The circular mirror hanging on Malik's wall has a diameter of 16 inches. What is the mirror's area?

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Solution

1. Break Down the Problem

To find the area of a circular mirror, we need to identify the radius of the circle and then use the formula for the area of a circle.

2. Relevant Concepts

The formula for the area A A of a circle is given by: A=πr2 A = \pi r^2 where r r is the radius of the circle. The radius can be obtained from the diameter as: r=d2 r = \frac{d}{2}

3. Analysis and Detail

  1. Calculate the radius of the mirror: r=d2=16 inches2=8 inches r = \frac{d}{2} = \frac{16 \text{ inches}}{2} = 8 \text{ inches}

  2. Now, substitute the radius into the area formula: A=π(8 inches)2 A = \pi (8 \text{ inches})^2 A=π(64 inches2) A = \pi (64 \text{ inches}^2)

  3. Using the approximate value π3.14 \pi \approx 3.14 : A3.14×64 inches2200.96 inches2 A \approx 3.14 \times 64 \text{ inches}^2 \approx 200.96 \text{ inches}^2

4. Verify and Summarize

The area of the circular mirror has been calculated using the correct formulas.

Final Answer

The area of the mirror is approximately 200.96 square inches 200.96 \text{ square inches} .

This problem has been solved

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