Jawab:
Penjelasan dengan langkah-langkah:
r = d/2
r = 28/2
r = 14 cm
**************************************************************
1 m = 100 cm
Luas permukaan tong
= 2 . π . r . (r + t)
= 2 . 22/7 . 14 . (14 + 100)
= 44 . 2 . 114
= 10.032 cm²
diketahui,diameter tabung : 28 cm,tinggi : 1m ,r : d/2 =28/2=14cm
ditanya : berapa luas permukaan tabung?
jawab : luas permukaan tabung :
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Jawab:
Penjelasan dengan langkah-langkah:
r = d/2
r = 28/2
r = 14 cm
**************************************************************
1 m = 100 cm
**************************************************************
Luas permukaan tong
= 2 . π . r . (r + t)
= 2 . 22/7 . 14 . (14 + 100)
= 44 . 2 . 114
= 10.032 cm²
diketahui,diameter tabung : 28 cm,tinggi : 1m ,r : d/2 =28/2=14cm
ditanya : berapa luas permukaan tabung?
jawab : luas permukaan tabung :