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Verified answer
Mapel : MatematikaBab : Bangun Ruang Sisi Lengkung (BRSL)
Kerucut
Diketahui :
Jari;jari kerucut (r) = 21 dm
Tinggi kerucut (t) = 22 dm
Ditanyakan :
Volume kerucut (V) = ... ?
Penyelesaian :
V = 1/3 x Luas alas x t
V = 1/3 x π x r² x t
V = 1/3 x 22/7 x 21 dm x 21 dm x 22 dm
V = 10.164 dm³