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A. Acfreelance

Master Teacher

Mahasiswa/Alumni Universitas Indraprasta PGRI

Jawaban terverifikasi

Pembahasan

Jari-jari:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row r equals cell square root of s squared minus t squared end root end cell row blank equals cell square root of 25 squared minus 24 squared end root end cell row blank equals cell square root of 625 minus 576 end root end cell row blank equals cell square root of 49 end cell row blank equals cell 7 space cm end cell end table end style    

Luas alas:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell L a end cell equals cell straight pi r squared end cell row blank equals cell 22 over 7 cross times 7 cross times 7 end cell row blank equals cell 154 space cm squared end cell end table end style        

Luas selimut:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell Luas space selimut end cell equals cell straight pi r s end cell row blank equals cell 22 over 7 cross times 7 cross times 25 end cell row blank equals cell 550 space cm squared end cell end table end style        

Luas permukaan:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row L equals cell L a plus Luas space selimut end cell row blank equals cell 154 plus 550 end cell row blank equals cell 704 space cm squared end cell end table end style        

Volume:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row V equals cell 1 third straight pi r squared t end cell row blank equals cell 1 third cross times 22 over 7 cross times 7 cross times 7 cross times 24 end cell row blank equals cell 154 cross times 8 end cell row blank equals cell 1.232 space cm cubed end cell end table end style          

 

 

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