Pls di jawab woiii wkwkkwkwkw​

Penjelasan dengan langkah-langkah:

1) a) volume kerucut = 1/3 πr²t

d= 14 cm

r = 14/2 = 7 cm

V = 1/3 x 22/7 x 7 x 7 x 20

= 1/3 x 3080

= 1026,67 cm³

b) V = 1/3 x 3,14 x 5 x 5 x 12

= 3,14 x 25 x 4

= 314 cm ³

nomor 2 kurang jelas