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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.
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How do you find the area of a shaded circle and the area of an unshaded circle on that is inside the other circle?
To find the area of the circle pi*radius*squared and subtract the area of the figure inside
Is the circumference and area of a circle the same?
The circumference of a circle is the distance arround the edge of the circle. The area of a circle is how big the inside of the circle is.
Equation for area of a circle?
area of a circle = pi*r2
How do you find the diamter of a circle if you know the area?
In order to find the diameter of a circle if you have the area is to rearrange the formula for the area of a circle to put diameter as the unknown, like so: PIE*d = Area of a Circle d = (Area of a Circle) / PIE Therefore if the area of your circle is 40cm, 40/PIE = 12.73cm and that's the diameter.
What is the area of a circle with a radius of 1?
Since area of a circle = πr^2, a circle with r=1 would have an area of π.
How do you find the area of a circle if the circle is 8cm?
Area of a circle = pi*radius2
How do you get an area for a circle?
Area of a circle = Pi * radius2
How you get the area of circle?
Area of a circle = pi*radius2
Help with math how do you get the area of a circle?
Area of a circle is calculated by A=2*p*r where A represents the circle's area and r is the radius of the circle.
What is An area of circle?
The area of a circle is the amount of space inside the circle. The area of a circle is calculated by multiplying pi(3.14159) by the radius squared.
What is the area of a circle 2cm?
Using 3.14 as Pi the area of circle is: 0
What is the area of a circle if the radius of a circle is 4752?
The circle's area is 70,900,000 square units.
If the radius of a circle is doubled what happens to the area of the circle?
the area of the circle is increased by 400%
Area enclosed within the central angle of a circle and the circle?
Area of a sector of a circle.
What is area of circle if perimeter of circle is 12.56RR?
Area of any circle = pi*radius2
How do you find the area of a shaded circle and the area of an unshaded circle on that is inside the other circle?
To find the area of the circle pi*radius*squared and subtract the area of the figure inside
Is the circumference and area of a circle the same?
The circumference of a circle is the distance arround the edge of the circle. The area of a circle is how big the inside of the circle is.
