diketahui:
tinggi kerucut= 13 cm
r = 10 cm
π = 3,14
ditanya: v kerucut?
jawab:
Rumus= ⅓ x π x r² x t
= ⅓ x 3,14 x 10² x 13
= ⅓ x 3,14 x 100 x 13
= ⅓ x 314 x 13
= ⅓ x 4082
= 1360,6
= 1361 cm³
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diketahui:
tinggi kerucut= 13 cm
r = 10 cm
π = 3,14
ditanya: v kerucut?
jawab:
Rumus= ⅓ x π x r² x t
= ⅓ x 3,14 x 10² x 13
= ⅓ x 3,14 x 100 x 13
= ⅓ x 314 x 13
= ⅓ x 4082
= 1360,6
= 1361 cm³