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Perhatikan gambar berikut. Panjang sisi BC adal...

Perhatikan gambar berikut.

Panjang sisi BC adalah undefined cm.

  1. 16 cmspace 

  2. 12 cmspace  

  3. 15 cmspace  

  4. 13 cmspace  

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell AC squared end cell equals cell AD squared minus CD squared end cell row cell AC squared end cell equals cell 17 squared minus 8 squared end cell row cell AC squared end cell equals cell 289 minus 64 end cell row cell AC squared end cell equals 225 row AC equals cell 15 space cm end cell end table end style

Sehingga,

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell BC squared end cell equals cell AC squared minus AB squared end cell row cell BC squared end cell equals cell 15 squared minus 9 squared end cell row cell BC squared end cell equals cell 225 minus 81 end cell row cell BC squared end cell equals 144 row BC equals cell 12 space cm end cell end table end style 

Jadi, jawaban yang tepat adalah B.

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