jawablah soal nomor 1 dan nomor 3 dengan cara yg lengkap!

1. t = 40 cm, r = 14 cm
V = πr²t = 22/7×14×14×40 = 24640 cm³

2. r = 6 cm, t = 14 cm
V = πr²t = 22/7×6×6×14 = 1584 cm³

3. d = 2r = 14 cm, t = 25 cm
r = 7 cm
V = πr²t = 22/7×7×7×25 = 3850 cm³