Tolong Yang Ngasal Dosa. [Minimal kerjakan 2 soal]​

Jawaban No 1

Volume Balok 1

= plt

= 15 × 10 × 12

= 150 × 12

= 1.800 cm³

Volume Balok 2

= plt

= (25 – 10) × 10 × 10

= 15 × 100

= 1.500 cm³

V. Gabungan

= 1.800 + 1.500

= 3.300 cm³

Jawaban No 2

Volume Balok

= plt

= 20 × 14 × 10

= 20 × 140

= 2.800 cm³

Volume ½ Tabung

= ½ × πr²t

= ½ × 22/7 × 7² × 20

= 154 × 10

= 1.540 cm³

V. Gabungan

= 2.800 + 1.540

= 4.340

Jawaban No 3

Volume Tabung

= πr²t

= 22/7 × 21² × 21

= 22 × 3 × 441

= 29.106 cm³

Volume ½ Bola

= ½ × 4/3 × πr³

= 2/3 × 22/7 × 21²

= 2 × 22 × 3 × 21

= 44 × 63

= 2.772 cm³

V. Gabungan

= 29.106 + 2.772

= 31.878 cm³