Ahmad N

18 Maret 2024 12:12

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Ahmad N

18 Maret 2024 12:12

Pertanyaan

Panjang jari jari alas sebuah tabung 3,5cm dan tingginya 5cm jika panjang jari jari alasnya di perpanjang menjadi 7cm. Tentukan A. Besar perubahan volume tabung B. Perbandingan volume kedua tabung

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19 Maret 2024 04:29

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<p>r<sub>1</sub> = 3,5 cm</p><p>r<sub>2</sub> = 7 cm</p><p>t = 5 cm</p><p>𝞹 = 22/7</p><p>&nbsp;</p><p>A. Perubahan Volume = V<sub>2 </sub>- V<sub>1</sub></p><p><sub>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</sub> = (22/7 x 7 x 7 &nbsp;x 5) - (22/7 x 3,5 x 3,5 x 5)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = &nbsp;770 - 192,5</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 577,5 cm<sup>3</sup></p><p>&nbsp;</p><p>B. Perbandingan Volumenya</p><p>&nbsp; &nbsp; &nbsp;V<sub>1 </sub>: V<sub>2</sub> = 192,5 : 770</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 1 : 4</p>

r1 = 3,5 cm

r2 = 7 cm

t = 5 cm

𝞹 = 22/7

 

A. Perubahan Volume = V2 - V1

                                                             = (22/7 x 7 x 7  x 5) - (22/7 x 3,5 x 3,5 x 5)

                                              =  770 - 192,5

                                              = 577,5 cm3

 

B. Perbandingan Volumenya

     V1 : V2 = 192,5 : 770

                  = 1 : 4


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