Penjelasan dengan langkah-langkah:
jari jari = 7 cm
tinggi = 24 cm
phi = 22/7
garis lukis = 25 cm
volume kerucut = 1/3 × phi × r × r × tinggi kerucut
= 1/3 × 22/7 × 7 × 7 × 24
= 1 × 22 × 1 × 7 × 8
= 22 × 56
= 1232 cm kubik
luas permukaan = phi × r ( r + s )
22/7 × 7 ( 7 + ? )
mencari S / garis lukis = 7 pangkat dua + 24 pangkat dua .
= 49 + 576 = 625 =25 garis lukis
= 22/7 × 7 ( 7 + 25
= 22 × 1 ( 32
= 22 × 32
= 704 cm persegi
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Penjelasan dengan langkah-langkah:
jari jari = 7 cm
tinggi = 24 cm
phi = 22/7
garis lukis = 25 cm
volume kerucut = 1/3 × phi × r × r × tinggi kerucut
= 1/3 × 22/7 × 7 × 7 × 24
= 1 × 22 × 1 × 7 × 8
= 22 × 56
= 1232 cm kubik
luas permukaan = phi × r ( r + s )
22/7 × 7 ( 7 + ? )
mencari S / garis lukis = 7 pangkat dua + 24 pangkat dua .
= 49 + 576 = 625 =25 garis lukis
= 22/7 × 7 ( 7 + 25
= 22 × 1 ( 32
= 22 × 32
= 704 cm persegi