Jawaban:
b. 2816 cm²
Penjelasan dengan langkah-langkah:
garis pelukis (s):
c² = a² + b²
c² = 48² + 14²
c² = 2304 + 196
c² =2500
√c² = √2500
c = 50
Luas Permukaan Keurucut:
π × r (r + s)
22/7 × 14 (14 + 50)
22 × 2 (64)
44(64)
2.816 cm²
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Jawaban:
b. 2816 cm²
Penjelasan dengan langkah-langkah:
garis pelukis (s):
c² = a² + b²
c² = 48² + 14²
c² = 2304 + 196
c² =2500
√c² = √2500
c = 50
Luas Permukaan Keurucut:
π × r (r + s)
22/7 × 14 (14 + 50)
22 × 2 (64)
44(64)
2.816 cm²