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soal A
volum = 4/3 x π x r³
= 4/3 x 22/7 x 14 x 14 x 14
= 4/3 x 44 x 14 14
= 4/3 x 8624
= 11498,67 cm³
soal B
volum = 4/3 x π x r³
= 4/3 x 3,14 x 3 x 3 x 3
= 4 x 3,14 x 9
= 113,04 cm³
soal C
D = 7 maka r = 3,5
volum = 4/3 x π x r³
= 4/3 x 22/7 x 3,5 x 3,5 x 3,5
= 4/3 x 22 x 0,5 x 12,25
= 4/3 x 134,75
= 179,67 cm³
soal D
volum = 4/3 x π x r³
= 4/3 x 3,14 x 4 x 4 x 4
= 256/3 x 3,14
= 267,94 cm³
v = 4/3. 22/7. 14³ = 11498,67 cm³
b.
v = 4/3. 3,14. 3³ = 113,04 cm³
c.
r = 7/2 = 3,5 cm
v = 4/3. 22/7. 3,5³ =179,67 cm³
d.
r = 8/2 = 4 cm
v = 4/3. 3,14. 4³ = 267,95 cm³