The bead is in a cylindrical shape and the formula for solving the volume of a cylinder is V=pi*r²*h where "r" is the radius, "h" for the height. We have given values such as: r=diameter/2 = 2/2 = 1mm h= 8mm Solving for the volume, we have: V=3.14*1²*8 V=24.12 mm²
