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What area of circle using diameter instead of radius?

Anonymous

∙ 15y ago

Updated: 12/16/2022

a=pi r²
a=pi (d/2)²

Wiki User

∙ 15y ago

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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 the area of a circle using its diameter?

The area of a circle is pi(radius)2 Radius is half the diameter. Simply divide the diameter in half and enter it into the equation 3.14(diameter/2)2

What is the radius of 13cm?

tell what the diameter (d) and radius(r) of each circle is by using this information

How do you calculate the diameter or radius of each circle?

Using the Circumference And Area.

Diameter of a circle?

If you know the radiusGiven the radius of a circle, the diameter can be calculated using the formula:The Diameter is Twice the Radius, or D = 2RWhere R is the Radius.If you know the circumferenceIf you know the circumference of a circle, the diameter is found using the formula D= C/πwhere:C is the circumference of the circleπ is Pi, approximately 3.142

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