Math Problem Statement
Вычислите площадь полной поверхности правильной треугольной пирамиды со стороной в основании 6 дм и высотой пирамиды 8 дм. А) 9√3 + 12√67 дм2 Б) 72√3 + √67 дм2 В) 12√67 дм2
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Surface Area
Pyramids
Equilateral Triangle
Formulas
S_осн = (√3 / 4) * a^2
l = √(h^2 + r^2)
S_грани = (1 / 2) * a * l
S_полн = S_осн + S_бок
Theorems
Pythagorean Theorem
Suitable Grade Level
Grades 9-11
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