Jawaban:
20,9
Penjelasan dengan langkah-langkah:
lp=2xπxr(r+t)
2x22/7x3,5(3,5+6)
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Jawaban:
20,9
Penjelasan dengan langkah-langkah:
lp=2xπxr(r+t)
2x22/7x3,5(3,5+6)
20,9
lp tabung
=(2×la)+ l selimut tabung
=(2×phi ×r²)+(2×phi×r×t)
pey:
=(2×22/7×3,5²)+(2×22/7×3,5×6)
=308+1.848
=2.156 cm²
semoga membantu..