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mencari tinggi kerucut =
V. kerucut = ⅓ x π x r² x t
4710 = ⅓ x 3,14 x 15² x t
4710 = ⅓ x 706,5 x t
4710 = 235,5 x t
t = 4710 : 235,5
t = 20 cm
mencari garis pelukis kerucut (s) =
s² = r² + t²
s² = 15² + 20²
s² = 225 + 400
s = √625
s = 25 cm
jadi,
Luas Sisi Kerucut = π x r (r+s)
LSK = 3,14 x 15² x (15+20)
LSK = 706,5 x 40
LSK = 28260 cm²
aku gak tau kenapa gak ada jawabannya, sebenernya ada kalo gak ada 0 jawaban terakhir. ya ini sebisaku semoga membantu :))