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If there was a perfect circle and it was approximately 12 miles radius from the center how many acres surface area would that circle be?
Wiki User
∙ 14y ago
The area of a circle can be worked out by the formula πr2 , where r is the radius of the circle and π (pi) is the ratio of the circumference to the diameter (= 3.142 to three decimal places)
So 3.142 × 122 = 3.142 × 144 = 452.4 square miles
There are 640 acres in one square mile, so 640 × 452.4 = 289,530 acres
In a circle of six miles radius, the area covered is 289,530 acres.
Wiki User
∙ 14y ago
The surface area of a circle can be calculated using the formula A = πr^2, where A is the area and r is the radius. In this case, the radius is approximately 12 miles. Converting miles to acres, we know that 1 acre is equal to 43,560 square feet. Therefore, the surface area of the circle would be approximately π * (12^2) * 43560 acres.
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What does radius mean in math terms?
A line segment extending from the center of a circle or sphere t o the circumference or bounding surface.
A round figure whoes surface is at all points equidistant from the center?
A circle
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a circle
Does every great circle of a sphere have to pass through its center?
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What is difference between great circle and small circle?
A "great circle" is any circle on a sphere whose center is also the center of the sphere. The shortest distance between two points on the surface of a sphere is a piece of the great circle on which both points lie. A "small circle" is any circle on the sphere that's not a 'great' circle.
What is a round figure whose surface is at all points equidistantfrom the center?
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