V = 1/3 x π x t (R^2 + Rr + r^2)
V = 1/3 x 22/7x 15(14^2+(14 x 7) + 7^2)
V = 1/3 x 22/7 x 15 (196 + 98 + 49)
V = 1/3 x 22/7 x 15 (343)
V = 113190/21
V = 5390
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V = 1/3 x π x t (R^2 + Rr + r^2)
V = 1/3 x 22/7x 15(14^2+(14 x 7) + 7^2)
V = 1/3 x 22/7 x 15 (196 + 98 + 49)
V = 1/3 x 22/7 x 15 (343)
V = 113190/21
V = 5390
~ Semoga membantu