Jawab:
1.356,48 cm^2
Penjelasan dengan langkah-langkah:
Dik:
Tinggi kerucut = 24 - 12 = 12 cm
Tinggi tabung = 12 cm
Jari jari kerucut dan tabung = 9
Pelukis kerucut = akar 12^2 + 9^2 = akar 225 = 15 cm
Lp total = L.selimut kerucut + Luas selimut tabung + Luas alas tabung
Lp total = (phi x r x s) + (d x phi x t) + (phi x r^2)
Lp total = (3,14 x 9 x 15) + (18 x 3,14 x 12) + (3,14 x 9^2)
Lp total = 423,9 + 678,24 + 254,34
Lp total = 1.356,48 cm^2
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Jawab:
1.356,48 cm^2
Penjelasan dengan langkah-langkah:
Dik:
Tinggi kerucut = 24 - 12 = 12 cm
Tinggi tabung = 12 cm
Jari jari kerucut dan tabung = 9
Pelukis kerucut = akar 12^2 + 9^2 = akar 225 = 15 cm
Lp total = L.selimut kerucut + Luas selimut tabung + Luas alas tabung
Lp total = (phi x r x s) + (d x phi x t) + (phi x r^2)
Lp total = (3,14 x 9 x 15) + (18 x 3,14 x 12) + (3,14 x 9^2)
Lp total = 423,9 + 678,24 + 254,34
Lp total = 1.356,48 cm^2
Instagram : @nggaradi