What is the approximate formula for the area of a circle using pi approximated as 3.14?

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Multiple Choice

What is the approximate formula for the area of a circle using pi approximated as 3.14?

Explanation:
The area of a circle is found with A = π r^2. When you approximate π as 3.14, you replace π with 3.14, giving A ≈ 3.14 r^2. The first option matches this exact form: 3.14 r^2. The other options don’t fit: one uses only r instead of r^2, another combines an extra factor that isn’t part of the area formula, and another effectively mixes the wrong constants.

The area of a circle is found with A = π r^2. When you approximate π as 3.14, you replace π with 3.14, giving A ≈ 3.14 r^2. The first option matches this exact form: 3.14 r^2. The other options don’t fit: one uses only r instead of r^2, another combines an extra factor that isn’t part of the area formula, and another effectively mixes the wrong constants.

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