Penjelasan dengan langkah-langkah:
17.d tambereng
18.c.154
18.k=2×phi×r
=2×22/7×14(2)
=2×22×2
=88cm.
19.luas=phi × r²
= 3,14 × 10 × 10
=314cm²
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Penjelasan dengan langkah-langkah:
17.d tambereng
18.c.154
Penjelasan dengan langkah-langkah:
18.k=2×phi×r
=2×22/7×14(2)
=2×22×2
=88cm.
19.luas=phi × r²
= 3,14 × 10 × 10
=314cm²