Roboguru

Tentukan panjang sisi  !

Tentukan panjang sisi begin mathsize 14px style BC end style !

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Jawaban:

Perhatikan 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell B C end cell equals cell square root of open parentheses A B minus C D close parentheses squared plus A D squared end root end cell row blank equals cell square root of open parentheses 33 minus 25 close parentheses squared plus 15 squared end root end cell row blank equals cell square root of 8 squared plus 15 squared end root end cell row blank equals cell square root of 64 plus 225 end root end cell row blank equals cell square root of 289 end cell row blank equals 17 end table end style

sehingga panjang begin mathsize 14px style BC equals 17 space cm end style.

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