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The diameter of a big circle is 42 feet what is the ratio of the circle's radius to it's diameter?
Wiki User
∙ 14y ago
Radius = 1/2 of diameter.
The ratio is 1/2 = 0.5.
That's true for all circles, from microscopic to humongous, doesn't matter.
Wiki User
∙ 14y ago
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What is the ratio to any circles circumference to the diameter?
The ratio of the circumference of a circle to its diameter is Pi. (3.14159)
How does Pi relate to the circumference and area of circles?
One definition of pi is the ratio of the circumference, C, of a circle to its diameter.,d. pi=C/d The area of a circle is (pi)r2 or (pi)d2/4 where r is the radius.
Is it possible to draw a circle whose ratio of circumference to diameter is not pi?
No, the circumference divided by the radius will always be pi for a circle.
What is the relationship between area of a circle and its radius squared for a series of circles with large increasingly large radii?
The area of a circle is directly proportional to the square of its radius. If two circles have radii R1 and R2 , then the ratio of their areas is ( R1/R2 )2
What is the formula for circumference of a circl?
The circumference of a circle is the length around it. The circumference of a circle can be calculated from its diameter using the formula: Circumference of a circle = 2*pi*radius orCircumference of a circle = pi*diameterwhere r is the radius and d is the diameter of the circle, and � (the Greek letter pi) is defined as the ratio of the circumference of the circle to its diameter.(the numerical value of pi is 3.141 592 654 589 793...).d * pior 2 * r * piWhere d is diameter and r is radius and pi = 3.14159
Is the ratio of the radius to the diameter of all circles?
The ratio of radius to diameter for any circle is 1/2
Pi is the ratio of a circles circumfrance to its what?
diameter ------------- Diameter. The R (radius) of a circle multiplied by two equals the diameter.
What is the ratio of the diameter of the length of its radius?
diameter to radius ratio (for same circle) is 2:1
Is radius and diameter ratio the same?
No because the radius of a circle is half of its diameter.
What is the ratio between a circles diameter and its radius?
It is: 2 to 1
What is the ratio to any circles circumference to the diameter?
The ratio of the circumference of a circle to its diameter is Pi. (3.14159)
What is the ratio of a circle with a radius of 8cm?
It depends on the ratio of what of the circle? Its circumference, diameter, area?
What is the ratio of the diameter of a circle to its radius?
0:5
What is pi radius and diameter?
The radius of a circle is the distance from the center to any point on the circle. The diameter is twice as much; it is the length of a line segment from one point on a circle to another point on it that passes through the center. Pi is a constant, equal to approximately 3.1416 (the exact value is irrational), which is defined as the ratio of the circumference of any circle to its diameter (all circles are similar so the ratio is always the same).
What is the ratio of the length of the diameter of a circle to the length of its radius?
Length of diameter:length of radius = 2:1
What does curvature ratio mean in tubing?
Radius of curvature divided by tube diameter. To get the radius of curvature, imaging the bend in the tube is a segment of a circle, the radius of curvature is the radius of that circle.
How do you find the area of a circle when the radius is unknown?
By using the other information supplied about the circle to calculate either its radius (from which its area can be calculated) or its area (if the circle is similar to another with a given area and some ratio between the two circle is given):If the diameter is given: radius = diameter ÷ 2If the circumference is given: radius = circumference ÷ 2πIf the circle is similar to another circle which has a given area, and the length ratio is given; square the length ratio to get the area ratio and apply to the given area.
