Dik : kerucut memilik jari jari (r) 7 cm dan tinggi 14 cm
Dit : luas permukaan kerucut!
Dit : luas permukaan kerucut!
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Jawab:
Diket:
r = 7 cm
S = 14 cm
Ditanya:
LP Kerucut = π x r x ( r + S)
Dijawab:
= π x r x ( r + S)
= 22/7 x 7 x (7 + 14)
= 462 cm²
Jadi luas permukaan kerucut 462 cm²