Savira M

18 April 2024 14:59

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Savira M

18 April 2024 14:59

Pertanyaan

Suatu kerucut mempunyai luas 1.205,76 cm³ jika jari jari alas kerucut 12 cm tentukan panjang garis pelukis kerucut tersebut

Suatu kerucut mempunyai luas 1.205,76 cm³ jika jari jari alas kerucut 12 cm tentukan panjang garis pelukis kerucut tersebut

 


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Charissa S

19 April 2024 02:18

Jawaban terverifikasi

<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Lp = 1.205,76</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;π r (s + r) = 1.205,75</p><p>3,14 × 12 ( s + 12) = 1.205,76</p><p>&nbsp; &nbsp; &nbsp; &nbsp; 37,68 (s + 12) = 1.205,76</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;s + 12 = 1.205,76 ÷ 37,68</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;s + 12 = 32</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;s = 32 - 12</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; s = 20 cm</p><p>&nbsp;</p><p>Garis pelukis = 20 cm</p><p>&nbsp;</p>

                          Lp = 1.205,76

               π r (s + r) = 1.205,75

3,14 × 12 ( s + 12) = 1.205,76

        37,68 (s + 12) = 1.205,76

                       s + 12 = 1.205,76 ÷ 37,68

                       s + 12 = 32

                               s = 32 - 12

                                s = 20 cm

 

Garis pelukis = 20 cm

 


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