LP = πd (r + t)
LP = 22/7 × 28 × (14 + 25)
LP = 22 × 4 × 39
LP = 88 × 39
LP = 3.432 cm²
Jawaban:
3.432 cm²
Penjelasan dengan langkah-langkah:
LP tabung
= 2πr (r + t)
= 2×22/7×14cm (14cm + 25cm)
= 88 (39)
= 3.432 cm²
jadi, luas permukaan tabung tersebut adalah 3.432 cm²
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LP = πd (r + t)
LP = 22/7 × 28 × (14 + 25)
LP = 22 × 4 × 39
LP = 88 × 39
LP = 3.432 cm²
Jawaban:
3.432 cm²
Penjelasan dengan langkah-langkah:
LP tabung
= 2πr (r + t)
= 2×22/7×14cm (14cm + 25cm)
= 88 (39)
= 3.432 cm²
jadi, luas permukaan tabung tersebut adalah 3.432 cm²