<img alt="" src="https://imgix2.ruangguru.com/assets/miscellaneous/png_b7toav_9809.PNG" style="width: 283px; height: 231px;" />

<img align="middle" alt="begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell cos open parentheses A close parentheses end cell equals cell fraction numerator A B over denominator A C end fraction end cell row cell cos open parentheses 60 degree close parentheses end cell equals cell fraction numerator 4 over denominator A C end fraction end cell row cell 1 half end cell equals cell fraction numerator 4 over denominator A C end fraction end cell row cell A C end cell equals cell 2 times 4 end cell row cell A C end cell equals 8 end table end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mtable columnspacing=¨0px¨ columnalign=¨right center left¨»«mtr»«mtd»«mi»cos«/mi»«mfenced»«mi»A«/mi»«/mfenced»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mrow»«mi»A«/mi»«mi»B«/mi»«/mrow»«mrow»«mi»A«/mi»«mi»C«/mi»«/mrow»«/mfrac»«/mtd»«/mtr»«mtr»«mtd»«mi»cos«/mi»«mfenced»«mrow»«mn»60«/mn»«mo»§#176;«/mo»«/mrow»«/mfenced»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mn»4«/mn»«mrow»«mi»A«/mi»«mi»C«/mi»«/mrow»«/mfrac»«/mtd»«/mtr»«mtr»«mtd»«mfrac»«mn»1«/mn»«mn»2«/mn»«/mfrac»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mn»4«/mn»«mrow»«mi»A«/mi»«mi»C«/mi»«/mrow»«/mfrac»«/mtd»«/mtr»«mtr»«mtd»«mi»A«/mi»«mi»C«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»2«/mn»«mo»§#183;«/mo»«mn»4«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»A«/mi»«mi»C«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»8«/mn»«/mtd»«/mtr»«/mtable»«/mstyle»«/math»" height="150" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -76px;" width="100" />

Jadi,&nbsp;Panjang AC&nbsp;8 cm.

Suatu segitiga ABC siku siku di titik B. Jika panjang <img align="middle" alt="begin mathsize 14px style A B equals 4 space text cm end text end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»A«/mi»«mi»B«/mi»«mo»=«/mo»«mn»4«/mn»«mo»§#160;«/mo»«mtext»cm«/mtext»«/mrow»«/mstyle»«/math»" height="11" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="68" />. Dan sudut <img align="middle" alt="begin mathsize 14px style A equals 60 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»A«/mi»«mo»=«/mo»«mn»60«/mn»«/mrow»«/mstyle»«/math»" height="11" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="45" />&nbsp;derajat. Panjang AC....

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Suatu segitiga ABC siku siku di titik B. Jika panj...

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