#staymarried: 30-Minute Weekly Devotions to Grow in Faith and Joy from I Do to Ever After

#staymarried: 30-Minute Weekly Devotions to Grow in Faith and Joy from I Do to Ever After

Matematika tolong dong, besok dikumpulkan ​

tolong dong, besok dikumpulkan ​

Jawaban:

180cm²

Penjelasan dengan langkah-langkah:

4 πr = 120

πr² = 120 : 4

= 30

Luas permukaan tabung <Tinggi = 2r>

2πr² + 2πrt

2πr² + 2πr(2r)

2πr² + 4πr²

6πr²

6 x 30 = 180cm²

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