sebuah kerucut mempunyai tinggi 20 cm dan diameter 15.berapakah volume kerucut?
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Verified answer
Penjelasan dengan langkah-langkah:
d = 15 cm
r = 1/2 . d
r = 1/2 . 15
r = 7,5 cm
v = 1/3 x π x r² x t
v = 1/3 x 3,14 x 7,5 x 7,5 x 20
v = 1.177,5 cm³
Jawaban:
1177,5cm³
Penjelasan dengan langkah-langkah:
Dik : d = 15cm
t = 20cm
Dit: V....?
Jawab:
V = ⅓ . 3,14 . 7,5² . 20
V = ⅓ . 3,14 . 56,25 . 20
V = ⅓ . 3,14 . 1125
V = ⅓ . 3532,5
V = 1177,5cm³