Question

hitunglah volume bangun ruang d berikut!​

Answer 1

Diketahui

• Tinggi kerucut = 39 cm
• jari² alas = 28 ÷ 2 = 14 cm
• π = 22/7

Ditanyakan

• Volume = ... cm³

RUMUS VOLUME KERUCUT

[tex] {\sf{v = \frac{1}{3} \times π \times r² \times t}}[/tex]

Jawab

• v = ⅓ × π × r² × t
• v = ⅓ × 22/7 × 14 × 14 × 39
• v = 1 × 22 × 2 × 14 × 13
• V = 44 × 14 × 13
• V = 8.008 cm³