[tex] Luas permukaan \: balok - (\frac{1}{2} \times l \times t) \\ \\ 2(p \times l + p \times t + l \times t) - ( \frac{1}{2} \times l\times t) \\ \\ 2(20 \times 10 + 20 \times 12 + 10 \times 12) - ( \frac{1}{2} \times 10 \times 12) \\ \\ 2(200 + 240 + 120) - 60 \\ \\ 2(560) - 60 \\ \\ 1.120 - 60 \\ \\ 1.060 \: {cm}^{2} [/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
[tex] Luas permukaan \: balok - (\frac{1}{2} \times l \times t) \\ \\ 2(p \times l + p \times t + l \times t) - ( \frac{1}{2} \times l\times t) \\ \\ 2(20 \times 10 + 20 \times 12 + 10 \times 12) - ( \frac{1}{2} \times 10 \times 12) \\ \\ 2(200 + 240 + 120) - 60 \\ \\ 2(560) - 60 \\ \\ 1.120 - 60 \\ \\ 1.060 \: {cm}^{2} [/tex]