Math Problem Statement
Tentukan luas permukaan kerucut terpancung Jika di ketahui: tinggi 13cm, diameter alas besar 7cm, diameter alas kecil 1cm
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Surface Area Calculation
Frustum of a Cone
Formulas
Surface area of a frustum: L_total = L_sleeve + L_bases
L_sleeve = πs(r1 + r2)
L_bases = π(r1^2 + r2^2)
Slant height (s) calculation using Pythagoras: s = sqrt(t^2 + (r1 - r2)^2)
Theorems
Pythagoras' Theorem
Suitable Grade Level
Grades 9-11
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