The volume of a sphere is (4/3) * pi * r^3
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A ball is a spherical shape and the formula for finding the volume of a sphere is: Volume = 4/3 x pi x radius3 Diameter of the ball = 9 and 9/16 inches so the radius will be half of this which is 4.78125 inches. Volume = 4/3 x pi x 4.781253 = 457.8391924 cubic inches. Therefore the volume of air in the ball is 458 cubic inches correct to three significant figures.
Because the formula is the same: volume = 1/3base areaheight
Some of the many applications that pi is used in geometry are as follows:- Finding the area of a circle Finding the circumference of a circle Finding the volume of a sphere Finding the surface area of a sphere Finding the surface area and volume of a cylinder Finding the volume of a cone
There is no formula for this. You have to measure the volume.
Finding volume is working in three dimensions while finding area is only working in two dimensions. Essentially, finding volume and area are the same basic principles, just volume has an additional component. For example, the area of a square is length*width, while the volume of a cube is length*width*height. Eventually things progress to the "calculus-state" and become much more complicated.