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Use the formula volume = (4/3) pi r3.
Volume formula for a sphere is 4/3*π*r3 so volume of ball with radius of 4.6 cm is 4/3*3.14159*(4.6cm)3 = 407.72 cm3
the formula to find the volume for anything is to multiply length times width times height.
You need two things. 1. That fact that density X volume = mass Snow density varies. Some snow if very compact and some is light and fluffy. The range of density of snow is around 100-500 kg per cubic meter. 2.Now find the volume of each "ball" that makes up your snowman by using the formula that the volume of each ball using V=(4/3)πr^3 where r is the radius of the ball. After you find the volume of each ball, multiply by the density and that is the mass of that ball. Do it for all 3 and you the the snowman's mass.
formula to find volume of an eccentric reducer