A. V = 1.225 cm³, L = 891 cm²
Penjelasan dengan langkah-langkah:
V Limas = ⅓ × La × tinggi
= ⅓ × (21 × 7) × 25
= ⅓ × 147 × 25
= 1.225 cm³
Lp Limas=La+(4×Luas segitiga sisi tegak)
= 21 × 7 + (4 × ½ × 7 × 28)
= 147 + 744
= 891 cm²
semoga membantu :)
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A. V = 1.225 cm³, L = 891 cm²
Penjelasan dengan langkah-langkah:
V Limas = ⅓ × La × tinggi
= ⅓ × (21 × 7) × 25
= ⅓ × 147 × 25
= 1.225 cm³
Lp Limas=La+(4×Luas segitiga sisi tegak)
= 21 × 7 + (4 × ½ × 7 × 28)
= 147 + 744
= 891 cm²
semoga membantu :)