Jawaban:
2.244 cm²
Penjelasan dengan langkah-langkah:
Lp = L alas + L selimut tabung + L selimut kerucut
Lp = πr² + 2πrt + πrs
Lp = 22/7 × 7 × 7 + 2 × 22/7 × 7 × 40 + 22/7 × 7 × 15
Lp = 154 + 1760 + 330
Lp = 2.244 cm²
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Jawaban:
2.244 cm²
Penjelasan dengan langkah-langkah:
Lp = L alas + L selimut tabung + L selimut kerucut
Lp = πr² + 2πrt + πrs
Lp = 22/7 × 7 × 7 + 2 × 22/7 × 7 × 40 + 22/7 × 7 × 15
Lp = 154 + 1760 + 330
Lp = 2.244 cm²