bantu jawab besok di kumpulkan
Jawaban:
Lp = 400 cm²
V = 618 cm³
Penjelasan dengan langkah-langkah:
➡ Luas permukaan :
Lp¹ = 5 x s x s
= 5 x 8 x 8
= 5 x 64
= 320 cm²
Lp² ( tanpa alas) = 4 x luas sisi tegak
= 4 x ½ x a x t
= 2 x a x t
= 2 x 8 x 5
= 2 x 40
= 80 cm²
Lp = 320 + 80
= 400 cm²
➡ volume
V¹ = ⅓ x s x s x t
= ⅓ x 8 x 8 x 5
= ⅓ x 64 x 5
= ⅓ x 320
= 106,666667 cm³
V² = s x s x s
= 8 x 8 x 8
= 64 x 8
= 512 cm³
V = 106,7 + 512
= 618,7 cm³
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