Nomer 17
Volume Limas segitiga
= ⅓ × Luas alas × tinggi
= ⅓ × (Luas segitiga) × 10
= ⅓ × (½ × a × t) × 10
= ⅓ × (½ × 6 × 10) × 10
= ⅓ × 30 × 10
= ⅓ × 300
= 100 cm³ (opsi A)
Nomer 18
Tinggi Limas segitiga
Volume = ⅓ × Luas alas × tinggi
672 × 3/1 = Luas segitiga × tinggi
2.016 = (½ × a × t) × tinggi
2.016 = (½ × 12 × 16) × tinggi
2.016 = (½ × 192) × tinggi
2.016 = 96 × tinggi
tinggi = 2.016/96
tinggi = 21 cm (opsi C)
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Jawaban:
Nomer 17
Volume Limas segitiga
= ⅓ × Luas alas × tinggi
= ⅓ × (Luas segitiga) × 10
= ⅓ × (½ × a × t) × 10
= ⅓ × (½ × 6 × 10) × 10
= ⅓ × 30 × 10
= ⅓ × 300
= 100 cm³ (opsi A)
Nomer 18
Tinggi Limas segitiga
Volume = ⅓ × Luas alas × tinggi
672 × 3/1 = Luas segitiga × tinggi
2.016 = (½ × a × t) × tinggi
2.016 = (½ × 12 × 16) × tinggi
2.016 = (½ × 192) × tinggi
2.016 = 96 × tinggi
tinggi = 2.016/96
tinggi = 21 cm (opsi C)