yg nomer 2, minta tolong

Bangun Ruang Kerucut
d = 12 cm
r = 6 cm
s = 10 cm

t² = s² – r²
t² = 10² – 6²
t² = 100 – 36
t² = 64
t = √64
t = 8 cm

V = 1/3 × πr²t
V = 1/3 × 3,14 × 6 × 6 × 8
V = 301,44 cm³