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What is radius of circle with area of 4?
1.2 Area = pi X radius^2 So set Area = 4, and figure it out: 4 = pi X radius ^2 4/pi = radius^2
What is the radius of a circle with an area of 9 pie?
To find the radius of a circle given its area, you can use the formula for the area of a circle, which is ( A = \pi r^2 ). Given that the area ( A = 9\pi ), you can set up the equation ( \pi r^2 = 9\pi ). Dividing both sides by ( \pi ) gives ( r^2 = 9 ), and taking the square root of both sides results in ( r = 3 ). Therefore, the radius of the circle is 3 units.
Exterior of a circle?
is a set of point in the plane of the circle whse distance from the center are greatertan the radius
A circle is the set of points less than or equal to the radius?
false
Is Every point on a circle is a distance from the center equal to the circle's radius?
Yes, every point on a circle is indeed a distance from the center that is equal to the circle's radius. By definition, a circle is the set of all points in a plane that are a fixed distance (the radius) from a central point (the center). Thus, the distance from the center to any point on the circle remains constant and equals the radius.
What is the radius of a circle if the area is 64?
The area of a circle is (pi)(r^2). Set this equal to 64 and solve for the radius. r = sqrt(64/pi)
What is radius of circle with area of 4?
1.2 Area = pi X radius^2 So set Area = 4, and figure it out: 4 = pi X radius ^2 4/pi = radius^2
What is a radius circle?
If you mean "what is the radius of a circle", then the answer is the line segment or length from the center of circle to the set of points that form the circle. The radius is also half of the diameter.
What is the radius of a circle if the area is 7850?
The equation for the area A of a circle is A = pi*r2, where r is the radius of the circle. If you plug in 7850 for the area, you get pi*r2 = 7850. Assuming pi = 3.14, the equation then simplifies to r2 = 7850/3.14 = 2500. Taking the square root of both sides gives you the radius r as 50.
Does a circle have an area?
A circle *encloses* an area, and the "area of a circle" is the area it encloses, πr^2. A circle is a 1-dimensional curved line; it is a set of points equidistant from a given point (the center), with that distance being the radius of the circle. This means the inside of the circle is not part of the circle (it's called a disk if you include the inside points).To find the area, multiply pi (π) by the radius squared (r^2), so you get πr^2.Yes, it does.
What is the radius of a circle with an area of 9 pie?
To find the radius of a circle given its area, you can use the formula for the area of a circle, which is ( A = \pi r^2 ). Given that the area ( A = 9\pi ), you can set up the equation ( \pi r^2 = 9\pi ). Dividing both sides by ( \pi ) gives ( r^2 = 9 ), and taking the square root of both sides results in ( r = 3 ). Therefore, the radius of the circle is 3 units.
Equation for area of a circle?
Ah, the area of a circle is like a happy little secret waiting to be discovered. You just need to remember this simple formula: A = πr². That means the area (A) of a circle is equal to pi (π) times the radius (r) squared. Just imagine all the wonderful landscapes you can create with this knowledge!
Exterior of a circle?
is a set of point in the plane of the circle whse distance from the center are greatertan the radius
A circle is the set of points less than or equal to the radius?
false
Is Every point on a circle is a distance from the center equal to the circle's radius?
Yes, every point on a circle is indeed a distance from the center that is equal to the circle's radius. By definition, a circle is the set of all points in a plane that are a fixed distance (the radius) from a central point (the center). Thus, the distance from the center to any point on the circle remains constant and equals the radius.
Definition of an interior of a circle?
the set of points whose distance from the center of the circle is less than that of the radius.
What is the interior of a circle?
The set points whose distance from the center of the circle that is less than the radius. A disk.
