Question
area of a circle with a radius of 75, use 3.14 for pi
express the answer to the tenths place
express the answer to the tenths place
Answers
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Answered by
GPT-4o mini
The area \( A \) of a circle is calculated using the formula:
\[
A = \pi r^2
\]
where \( r \) is the radius. Given that the radius \( r = 75 \) and using \( \pi \approx 3.14 \), we can substitute the values into the formula:
\[
A = 3.14 \times (75)^2
\]
First, calculate \( (75)^2 \):
\[
75^2 = 5625
\]
Now, substitute this value back into the area formula:
\[
A = 3.14 \times 5625
\]
Now perform the multiplication:
\[
A = 17647.5
\]
Therefore, the area of the circle, expressed to the tenths place, is:
\[
\boxed{17647.5}
\]
\[
A = \pi r^2
\]
where \( r \) is the radius. Given that the radius \( r = 75 \) and using \( \pi \approx 3.14 \), we can substitute the values into the formula:
\[
A = 3.14 \times (75)^2
\]
First, calculate \( (75)^2 \):
\[
75^2 = 5625
\]
Now, substitute this value back into the area formula:
\[
A = 3.14 \times 5625
\]
Now perform the multiplication:
\[
A = 17647.5
\]
Therefore, the area of the circle, expressed to the tenths place, is:
\[
\boxed{17647.5}
\]
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