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Pertanyaan

Diketahui dua kerucut dengan perbandingan r 1 ​ : r 2 ​ = 2 : 3 . Jika volume kedua kerucutsama, maka t 1 ​ : t 2 ​ = . . . .

Diketahui dua kerucut dengan perbandingan . Jika volume kedua kerucut sama, maka  = . . . .

  1. begin mathsize 14px style 2 space colon space 3 end style 

  2. begin mathsize 14px style 3 space colon space 2 end style 

  3. size 14px 4 size 14px space size 14px colon size 14px space size 14px 9 

  4. size 14px 9 size 14px space size 14px colon size 14px space size 14px 4 

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A. Rahmawati

Master Teacher

Mahasiswa/Alumni Universitas Pendidikan Indonesia

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah D

jawaban yang tepat adalah D

Pembahasan

Jadi, jawaban yang tepat adalah D

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight r subscript 1 space end subscript colon space straight r subscript 2 end cell equals cell 2 space colon space 3 end cell row cell straight r subscript 1 over straight r subscript 2 end cell equals cell 2 over 3 end cell row cell 2 straight r subscript 2 end cell equals cell 3 straight r subscript 1 end cell row cell straight r subscript 2 end cell equals cell 3 over 2 straight r subscript 1 end cell end table end style

 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight V subscript 1 end cell equals cell straight V subscript 2 end cell row cell 1 third πr subscript 1 squared straight t subscript 1 end cell equals cell 1 third πr subscript 2 squared straight t subscript 2 end cell row cell up diagonal strike 1 third end strike up diagonal strike straight pi straight r subscript 1 squared straight t subscript 1 end cell equals cell up diagonal strike 1 third end strike up diagonal strike straight pi straight r subscript 2 squared straight t subscript 2 end cell row cell straight r subscript 1 squared straight t subscript 1 end cell equals cell straight r subscript 2 squared straight t subscript 2 end cell row cell straight r subscript 1 squared straight t subscript 1 end cell equals cell open parentheses 3 over 2 straight r subscript 1 close parentheses squared straight t subscript 2 end cell row cell straight r subscript 1 squared straight t subscript 1 end cell equals cell 9 over 4 straight r subscript 1 squared straight t subscript 2 end cell row cell up diagonal strike straight r subscript 1 squared end strike straight t subscript 1 end cell equals cell 9 over 4 up diagonal strike straight r subscript 1 squared end strike straight t subscript 2 end cell row cell straight t subscript 1 end cell equals cell 9 over 4 straight t subscript 2 end cell row cell 4 straight t subscript 1 end cell equals cell 9 straight t subscript 2 end cell row cell 4 over 9 end cell equals cell straight t subscript 2 over straight t subscript 1 end cell row cell straight t subscript 1 space colon space straight t subscript 2 end cell equals cell 9 space colon space 4 end cell end table end style

Jadi, jawaban yang tepat adalah D

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