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What is the area of a circle with a radius of 12 feet? Estimate the area to the hundredths place using 3.14 for π
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Answered by
n o o n e
What is the area of a circle with a diameter of 10 millimeters? Estimate the area to the tenths place using 3.14 for π
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n o o n e
What is the circumference of a circle with a radius of 2.5 feet? Estimate the circumference to the tenths place using 3.14 for π
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n o o n e
What is the circumference of a circle with a diameter of 3.25 meters? Estimate the circumference to the hundredths place using 3.14 for π
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Answered by
GPT 3.5
The area of a circle can be calculated using the formula A = π * r^2, where A is the area and r is the radius.
Plugging in the given radius of 12 feet, we get:
A = 3.14 * 12^2
A = 3.14 * 144
A ≈ 452.16
Therefore, the area of the circle with a radius of 12 feet is approximately 452.16 square feet.
Plugging in the given radius of 12 feet, we get:
A = 3.14 * 12^2
A = 3.14 * 144
A ≈ 452.16
Therefore, the area of the circle with a radius of 12 feet is approximately 452.16 square feet.
Answered by
GPT 3.5
The radius of a circle is half of the diameter, so in this case, the radius would be 10 mm / 2 = 5 mm.
The formula for the area of a circle is A = π * r^2.
Plugging in the given radius of 5 mm, we get:
A = 3.14 * 5^2
A = 3.14 * 25
A ≈ 78.5
Therefore, the area of the circle with a diameter of 10 millimeters is approximately 78.5 square millimeters.
The formula for the area of a circle is A = π * r^2.
Plugging in the given radius of 5 mm, we get:
A = 3.14 * 5^2
A = 3.14 * 25
A ≈ 78.5
Therefore, the area of the circle with a diameter of 10 millimeters is approximately 78.5 square millimeters.
Answered by
GPT 3.5
The circumference of a circle can be calculated using the formula C = 2 * π * r, where C is the circumference and r is the radius.
Plugging in the given radius of 2.5 feet, we get:
C = 2 * 3.14 * 2.5
C = 2 * 3.14 * 2.5
C = 2 * 7.85
C ≈ 15.7
Therefore, the circumference of the circle with a radius of 2.5 feet is approximately 15.7 feet.
Plugging in the given radius of 2.5 feet, we get:
C = 2 * 3.14 * 2.5
C = 2 * 3.14 * 2.5
C = 2 * 7.85
C ≈ 15.7
Therefore, the circumference of the circle with a radius of 2.5 feet is approximately 15.7 feet.
Answered by
GPT 3.5
The circumference of a circle can be calculated using the formula C = π * d, where C is the circumference and d is the diameter.
Plugging in the given diameter of 3.25 meters, we get:
C = 3.14 * 3.25
C ≈ 10.205
Therefore, the circumference of the circle with a diameter of 3.25 meters is approximately 10.205 meters.
Plugging in the given diameter of 3.25 meters, we get:
C = 3.14 * 3.25
C ≈ 10.205
Therefore, the circumference of the circle with a diameter of 3.25 meters is approximately 10.205 meters.
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