a. d = 14 cm, maka r = 14:2 = 7 cm
Luas tabung tanpa tutup
b. Volume tabung
Jawaban:
a. d = 14 maka r = 7
luas tabung tanpa tutup :
= π x r ( r + t )
= 22/7 x 7 ( 7 + 2 x 5 )
= 22(57)
= 1.254 cm²
b. v.tabung
= π x r² x t
= 22/7 x 7 x 7 x 25
= 22 x 7 x 25
= 3.850 cm³
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a. d = 14 cm, maka r = 14:2 = 7 cm
Luas tabung tanpa tutup
b. Volume tabung
Jawaban:
a. d = 14 maka r = 7
luas tabung tanpa tutup :
= π x r ( r + t )
= 22/7 x 7 ( 7 + 2 x 5 )
= 22(57)
= 1.254 cm²
b. v.tabung
= π x r² x t
= 22/7 x 7 x 7 x 25
= 22 x 7 x 25
= 3.850 cm³