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Diketahui panjang , hitunglah : a. Panjang SQ

Diketahui panjang begin mathsize 14px style RS equals 8 space cm end style, hitunglah :

a. Panjang SQ

Jawaban:

Perhatikan

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell P S end cell equals cell square root of P R squared minus R S squared end root end cell row blank equals cell square root of 10 squared minus 8 squared end root end cell row blank equals cell square root of 100 minus 64 end root end cell row blank equals cell square root of 36 end cell row blank equals cell 6 space cm end cell end table end style

 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell RS over PS end cell equals cell PS over SQ end cell row cell 8 over 6 end cell equals cell 6 over SQ end cell row SQ equals cell 36 over 8 end cell row SQ equals cell 4 comma 5 space cm end cell end table end style

Jadi, panjang SQ adalah begin mathsize 14px style 4 comma 5 space cm end style

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