The area of a circle is 'pi' multiplied by the square of the circle's radius.
The volume of a circle is zero. As a circle has only two dimensions.
The volume of a sphere is (4/3 pi) multiplied by the cube of the sphere's radius.
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A semi-circle is a two dimensional figure so it can have area but NOT volume. To find the area of a semi-circle see the question below.
With great difficulty because a circle is a 2 dimensional shape that has no volume or may be you meant a sphere which is: Volume of a sphere = 4/3*pi*radius3 Area of a circle = pi*radius2
The formula to calculate the weight of a circle plate is weight = density x volume, where density is the material density and volume is calculated as π x (radius^2) x thickness.
To calculate the volume of an arc, you first need to determine the volume of the entire shape that the arc is a part of, such as a cylinder or a sphere. Then, you calculate the total volume of the shape using the appropriate formula (e.g., V = πr^2h for a cylinder). Next, you find the central angle of the arc and use it to determine the fraction of the total volume that the arc occupies. Finally, you multiply the total volume by this fraction to find the volume of the arc.
well it depends what shape is the solid. it could be a sqare solid or circle solid