jawab secepatnya pakai cara

Kelas 8 Matematika
Bab Bangun Ruang

r = d/2
r = 14/2
r = 7 cm

Volume benda
= volume kerucut + volume tabung
= (1/3 . π . r . r . t1) + (π . r . r . t2)
= (1/3 . 22/7 . 7 . 7 . (18 - 12)) + (22/7 . 7 . 7 . 12)
= (22 . 7 . 2) + (22 . 7 . 12)
= 308 + 1.848
= 2.156 cm^3

✩✩ A ✩✩