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What is the circumference of a circle with a radius of Cm?
The circumference is twice the radius. In other words, if you know the radius, multiply it by 2 to get the circumference.
What is the relationship of the radius to the circumference?
circumference is the distance around a circle diameter is the distance from one point on the circle, straight across to the other side. radius is distance from the center of the circle to any point on the circle radius = r diameter = 2r circumference = 2(pi)r pi = 3.1415927
Which dimensions of a circle is always smaller than the other two?
A circle's radius is always smaller than both its diameter and its circumference.
A line segment with one endpoint at the center of a circle?
The answer depends on where the other end of the line segment is. If it is on the circumference the segment is a radius. Otherwise, it is indeterminate.
What is the circumference of a circle if the radius is 27 inches?
The circumference of a circle if the radius is 27 inches is: about 169.6 inches. (you can do this type of calculation for other circles using this formula: r x 2 x Pi = circumference).
Why is half the diameter the radius?
A radius is a straight line from the circumference (boundary) of a circle to the centre. A diameter is a straight line that goes from the circumference to the centre and then continues until it reaches the circumference of the other side. In a circle, all points on the circumference are the same distance from the centre. As a result, the second part of the diameter is the same as the first. In other words, diameter = radius + radius = 2*radius.
What does circumference mean math term?
Circumference refers to the size of something as given by the distance around it, e.g. the circumference of a circle is the distance around it, or its perimeter. The circumference of a circle can be used in the following formula to determine other values in a circle: C=2πr, or C=πd, where C is the circumference of the circle, r is the radius of the circle, d is the diameter of the circle and equivalent to twice the radius, and pi is, well, pi.
The circle is 26m what is the circumference?
If the diameter (distance from one side of the circle to the other) is 26 meters then the circumference is 81.68141 meters. If the radius (distance from the center of the circle to the edge of the circle) is 26 meters then the circumference is 163.3628 meters. -D
What is the circumference of a 36 cm circle?
The answer depends on what is 36 cm: the radius, diameter or some other aspect of the circle.
Why is the diameter of a circle always twice the length of the radius?
A circle is the locus of points that are equidistant from a fixed point. As a result, all radii of the circle must be of the same length. A diameter is a straight line that goes from the circumference to the centre and on to the circumference on the other side. Thus it is a radius from the circumference to the centre and then another radius from the centre to the circumference. And since these are the same, it is 2 radii in length.
How do you determine length and width of a circle?
there is no length or width of a circle. There is radius and circumference and the line that goes all the way through the center to the other side of the circle, which is twice the radius. But there is no length or width of a circle.
What is the name of the center of a circle?
The center of a circle is called the origin. It is a point at one end of a radius, the other end of which defines the circumference of the circle.
