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Bangun Ruang Sisi Lengkung

Bangun Ruang Sisi Lengkung

Assessment

Presentation

Mathematics

9th Grade

Hard

Created by

Lia Ariani

FREE Resource

4 Slides • 1 Question

1

Bangun Ruang Sisi Lengkung

By Lia Ariani

2

media

r = jari-jari tabung

t = tinggi tabung​

​Permukaan tabung terdiri atas dua daerah lingkaran dan sebuah daerah persegi panjang

Unsur-unsur Tabung

3

R​umus Luas Permukaan Tabung

Luas Permukaan Tabung = (2 x Luas Lingkaran) +​ Luas selimut tabung

​Luas Lingkaran = π​r²

​Luas Selimut Tabung = 2πrt

Luas Permukaan Tabung = ( 2 x π​r² ) + 2πrt

Luas Permukaan Tabung = ​2π​r² +2πrt

Luas Permukaan Tabung = 2πr(r+t)

4

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5

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Bangun Ruang Sisi Lengkung

By Lia Ariani

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