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How do you find the area of a circle without the radius and diameter?
Wiki User
∙ 7y ago
If you know the circumference, You can figure this out:
- First, calculate the radius. Do this by rearranging the formula c = 2πr to r = c / 2π
- Now you should know the radius. Use this value to calculate the area using the formula A = π r^2
Wiki User
∙ 7y ago
Wiki User
∙ 8y agoUse the circumference.Circumference divided by (2*pi) will give you the radius. Then calculate pi*r^2.
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Does the area of a circle treble if the diameter trebles?
No. The area of a circle is 3.142 x radius x radius (radius is half the diameter).
How do you calculate the area of a circle without a radius?
Use the diameter and divide it by two.
How do you find the radius and diameter of the circle if you know the area?
Area of Circle = pi (radius)2 So , using this formula we can find the radius and also the diameter. Diameter = 2(radius)
How do you work out the area of a circle with only the diameter?
By dividing the diameter by 2 will give the circle's radius. Area of any circle = pi*radius squared.
Do you need a diameter or a radius for the area of a circle?
Yes because the area of a circle is pi*radius squared
Does the area of a circle treble if the diameter trebles?
No. The area of a circle is 3.142 x radius x radius (radius is half the diameter).
How do you calculate the area of a circle without a radius?
Use the diameter and divide it by two.
How do you find the radius and diameter of the circle if you know the area?
Area of Circle = pi (radius)2 So , using this formula we can find the radius and also the diameter. Diameter = 2(radius)
How do you find a diameter of a circle?
If you have the circumference: circumference = (pi) * diameter diameter = circumference / (pi) If you have the area: area = (pi) * radius * radius radius = square_root(area / pi) radius = diameter / 2 diameter = 2 * square_root(area / pi)
How do you work out the area of a circle with only the diameter?
By dividing the diameter by 2 will give the circle's radius. Area of any circle = pi*radius squared.
What is the radius and diameter of circle area 530.66cm2?
Radius = about 13cm Diameter = about 26cm
How do you find the area of a circle without the radius?
if you have the diameter or the arc, then you can divide the diameter by two, or you can use the arc to calculate it.
If area of circle is 100pi what is the diameter?
If area of circle is equaled to 100pi what is the radius?
What is the formula for a circle radius r?
Area of a circle = pi*radius2 Circumference of a circle = 2*pi*radius or diameter*pi Diameter of a circle = 2*radius
How do you find the area of a circle without knowing the radius?
If the circumference or diameter is given then you can find the radius or simply measure the distance from the centre of the circle to the circumference.
Do you need a diameter or a radius for the area of a circle?
Yes because the area of a circle is pi*radius squared
A circle of a radius has 15find the diameter and area?
diameter is 15 area of the circle is... 706.5 if im not mistaken
