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Perhatikan gambar-gambar di bawah ini. Tentukan volume tiap-tiap bangun.

Perhatikan gambar-gambar di bawah ini.

Tentukan volume tiap-tiap bangun.

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F. Ayudhita

Master Teacher

Jawaban terverifikasi

Pembahasan

Pembahasan
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a. Tabung b. Tabung c. Tabung d. Kerucut mencari mencari Volume e. Kerucut f. Kerucut mencari mencari Volume g. Bola h. Bola i. Bola j. Tabung mencari mencari Volume k. Kerucut l. Bola

a. Tabung

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight r equals cell 5 space cm end cell row straight t equals cell 14 space cm end cell row straight V equals cell straight pi cross times straight r squared cross times straight t end cell row blank equals cell straight pi cross times 5 squared cross times 14 end cell row blank equals cell 350 straight pi end cell row blank equals cell 350 cross times 22 over 7 end cell row blank equals cell 1.100 cm squared end cell end table end style 

b. Tabung

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight d equals cell 24 space dm end cell row straight t equals cell 40 space dm end cell row straight V equals cell straight pi cross times straight r squared cross times straight t end cell row blank equals cell straight pi cross times 12 squared cross times 40 end cell row blank equals cell 5.760 straight pi end cell row blank equals cell 5.760 cross times 3 comma 14 end cell row blank equals cell 18.086 comma 4 space dm squared end cell end table end style 

c. Tabung

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight r equals cell 1 space straight m end cell row straight t equals cell 2 space straight m end cell row straight V equals cell straight pi cross times straight r squared cross times straight t end cell row blank equals cell straight pi cross times 1 squared cross times 2 end cell row blank equals cell 2 straight pi end cell row blank equals cell 2 cross times 3 comma 14 end cell row blank equals cell 6 comma 28 space straight m squared end cell end table end style 

d. Kerucut

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mencari undefined 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight r squared end cell equals cell straight s squared minus straight t squared end cell row blank equals cell 15 squared minus 12 squared end cell row blank equals cell 225 minus 144 end cell row blank equals 81 row straight r equals cell 9 space cm end cell end table end style 

mencari Volume

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight V equals cell 1 third cross times straight pi cross times straight r cross times straight r cross times straight t end cell row blank equals cell 1 third cross times straight pi cross times 9 cross times 9 cross times 12 end cell row blank equals cell 324 cross times straight pi end cell row blank equals cell 324 cross times 3 comma 14 end cell row blank equals cell 1.017 comma 36 space cm cubed end cell end table end style 

e. Kerucut

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight d equals cell 16 space dm end cell row straight t equals cell 15 space dm end cell row straight V equals cell 1 third cross times straight pi cross times straight r cross times straight r cross times straight t end cell row blank equals cell 1 third cross times straight pi cross times 8 cross times 8 cross times 15 end cell row blank equals cell 320 cross times straight pi end cell row blank equals cell 320 cross times 3 comma 14 end cell row blank equals cell 1.004 comma 8 space dm cubed end cell end table end style 

f. Kerucut

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight d equals cell 2 space straight m end cell row straight s equals cell 2 space straight m end cell end table end style 

mencari begin mathsize 11px style straight t end style 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight t squared end cell equals cell straight s squared minus straight r squared end cell row blank equals cell 2 squared minus 1 squared end cell row blank equals cell 4 minus 1 end cell row blank equals 3 row straight t equals cell √ 3 space straight m end cell end table end style 

mencari Volume

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g. Bola

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight d equals cell 24 space cm end cell row straight r equals cell 12 space cm end cell row straight V equals cell 4 over 3 straight pi cross times straight r cubed end cell row blank equals cell 4 over 3 straight pi cross times 12 cubed end cell row blank equals cell 2.304 straight pi end cell row blank equals cell 7.234 comma 56 space cm cubed end cell end table end style 

h. Bola

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i. Bola

Error converting from MathML to accessible text. 

j. Tabung

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight d equals cell 12 space straight m space end cell row straight h equals cell 15 space straight m end cell end table end style 

mencari undefined 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight t squared end cell equals cell straight h squared minus straight d squared end cell row blank equals cell 15 squared minus 12 squared end cell row blank equals cell 225 plus 144 end cell row blank equals 81 row straight t equals cell 9 space straight m end cell end table end style 

mencari Volume

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight V equals cell straight pi cross times straight r squared cross times straight t end cell row blank equals cell straight pi cross times 6 squared cross times 9 end cell row blank equals cell 324 straight pi end cell row blank equals cell 324 cross times 3 comma 14 end cell row blank equals cell 1.017 comma 36 straight m squared end cell end table end style 

k. Kerucut

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight r equals cell 6 space dm end cell row straight t equals cell 9 space dm end cell row straight V equals cell 1 divided by 3 cross times straight pi cross times straight r cross times straight r cross times straight t space end cell row blank equals cell 1 third cross times straight pi cross times 6 cross times 6 cross times 9 end cell row blank equals cell 108 cross times straight pi end cell row blank equals cell 108 cross times 3 comma 14 end cell row blank equals cell 339 comma 12 space dm cubed end cell end table end style 

l. Bola

Error converting from MathML to accessible text.  

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