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In order to fully understand what the radius of a given circle is, you must know the diameter. The diameter is the distance across the circle through the center. The radius of a circle is half the diameter. For example, if the diameter of a circle is 8 inches, then the radius would be 4 inches.
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What undefined term is needed to define a circle?
A point. To learn why and more about circles go to this website: windowseat.ca/circles
Define pi and write a brief history of pi?
pi is the ratio between the radius and the circumference of the circle if the radius is 1 the circumference is pi
Does The locus of points idea allows you to define a circle without giving a numerical value for the radius?
Yes
The locus of points idea allows you to define a circle without giving a numerical value for the radius?
True
How do you write a c program to calculate the circumference of the circle using macros with parameters?
// macro definitions: #define PI 3.14159265358979323846 #define CIRCUMFERENCE(radius) (2. * (radius) * PI) // use this as in CIRCUMFERENCE(21.34)
Does the radius come before the diameter?
Both the radius and the diameter are measurements which define a circle. The diameter is the distance straight across a circle from one edge to the other, passing through the midpoint of the circle. The radius is half of the diameter. Therefore, it is incorrect to say that either comes before the other.
What is the radius of a circle where d is the diameter of the circle?
the radius of a circle is r
Wha is the radius of a circle?
The radius of a circle is half the circle's diameter
What is the radius of the circle equal to?
Radius of a circle= Perimeter of the circle/2*pi Radius is half the diameter Radius is the length of a straight line from the center point of the circle to the edge of the circle.
If the radius of a circle is r what is the diameter of the circle?
The radius of a circle is half the diameter so if the radius of a circle is r, then the diameter is 2r.
What is the equation for the radius of a circle?
The radius of a circle = the diameter of the circle divided by 2
If the radius of a circle is 2cm what is the diameter?
Diameter of circle = 2 * Radius of the circle.
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