Penjelasan dengan langkah-langkah:
LPBR
Luas permukaan balok tanpa alas & tutup
= 2((p×t)+(l+t))
= 2((5×3)+(5×3))
= 2(15+15)
= 2(30)
= 60m²
Jumlah bata yang dibutuhkan
= (60-18) × 72
= 42 × 72
= 3024 buah ✓
..
[tex]\begin{aligned} Selimut~Balok &= K × t \\&= 2(p + l) × t \\&= 2(5 + 5) × 3 \\&= 2(10) × 3 \\&= 20 × 3 \\&= 60 m² \end{aligned}[/tex]
[tex]\begin{aligned} Jumlah~Bata&= (Selimut - Pintu.Jendela) × 72 \\&= (60 - 18) × 72 \\&= 42 × 72 \\&= \boxed{3024~Bata} \end{aligned}[/tex]
[tex]\begin{array}{lr}\texttt{Selamat Menunaikan Ibadah Puasa}\end{array}[/tex]
[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alf'at | 02 - 04 - 2023}}[/tex]
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Penjelasan dengan langkah-langkah:
LPBR
Luas permukaan balok tanpa alas & tutup
= 2((p×t)+(l+t))
= 2((5×3)+(5×3))
= 2(15+15)
= 2(30)
= 60m²
Jumlah bata yang dibutuhkan
= (60-18) × 72
= 42 × 72
= 3024 buah ✓
Verified answer
Bangun Ruang Sisi Tegak
[Balok]
..
[tex]\begin{aligned} Selimut~Balok &= K × t \\&= 2(p + l) × t \\&= 2(5 + 5) × 3 \\&= 2(10) × 3 \\&= 20 × 3 \\&= 60 m² \end{aligned}[/tex]
[tex]\begin{aligned} Jumlah~Bata&= (Selimut - Pintu.Jendela) × 72 \\&= (60 - 18) × 72 \\&= 42 × 72 \\&= \boxed{3024~Bata} \end{aligned}[/tex]
[tex]\begin{array}{lr}\texttt{Selamat Menunaikan Ibadah Puasa}\end{array}[/tex]
[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alf'at | 02 - 04 - 2023}}[/tex]