volume kerucut ,jika diameter 10 ,dan tinggi 4 dm ,berapa volnya?

V = 1/3 × Πr² t
= 1/3 × 3,14 × 5 × 5 × 4
= 1/3 × 3,14 × 25 × 4
= 1/3 × 3,14 × 100
= 1/3 × 314
= 104,67 dm³
atau
104,67 liter

Semoga membantu