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Tentukan luas permukaan dan volume prisma berikut!

Tentukan luas permukaan dan volume prisma berikut!

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell Keliling triangle end cell equals cell 2 cross times 5 plus 6 end cell row blank equals cell 10 plus 6 end cell row blank equals 16 end table end style

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight L. space permukaan end cell equals cell 2 left parenthesis 1 half times straight a times straight t triangle right parenthesis plus left parenthesis kel. space alas times straight t subscript prisma right parenthesis end cell row blank equals cell 2 left parenthesis 1 half cross times 6 cross times 4 right parenthesis plus left parenthesis 16 cross times 6 right parenthesis end cell row blank equals cell 24 plus 96 end cell row blank equals cell 120 space cm squared end cell row blank blank blank end table end style

table attributes columnalign right center left columnspacing 0px end attributes row Volume equals cell 1 half cross times straight a subscript increment cross times straight t subscript increment cross times straight t subscript prisma end cell row blank equals cell 1 half cross times 6 cross times 4 cross times 6 end cell row blank equals cell 72 space cm cubed end cell end table 

Jadi, luas permukaannya adalah begin mathsize 14px style 120 space cm squared end style dan volumenya adalah 72 space cm cubed.

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