Blagovest Ivanov
164th High School „Miguel de Cervantes“, Sofa, Bulgaria
https://doi.org/10.53656/math2026-1-3-vtc
Abstract. The following study addresses the issue of calculating with precision the volume of a truncated right circular cone while provided with
limited information on the dimensions of the object itself (being given the relation between the radii, the vertical heights, or the slanted heights). The
results include the proof of two theorem generalizations for the calculation of said volume with either of the three given elements via the principles of
geometric similarity. It is shown that, due to the similarity between the full cone and the smaller removed cone, the volume of the truncated cone
can be expressed using the dierence of cubes of the corresponding linear dimensions. Revisiting the classical volume formula through the principles
of geometric similarity, this work provides six alternative expressions that have both theoretical value and direct applications, especially in the eld of
education.
Keywords: Right circular truncated cone, Volume formulas, Geometric similarity, Multi-dimensional parameterization, Educational, applied, and theoretical value
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