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<img align="middle" alt="begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell L subscript j u r i n g end subscript end cell equals cell fraction numerator theta over denominator 360 degree end fraction times straight pi times straight r squared end cell row cell 2 straight pi end cell equals cell fraction numerator straight theta over denominator 360 degree end fraction times straight pi times 16 end cell row cell 1 over 8 end cell equals cell fraction numerator straight theta over denominator 360 degree end fraction end cell row blank blank blank row cell P subscript b u s u r end subscript end cell equals cell fraction numerator straight theta over denominator 360 degree end fraction times 2 times straight pi times straight r end cell row cell straight P subscript busur end cell equals cell 1 over 8 times 2 times 3 comma 14 times 4 end cell row cell straight P subscript busur end cell equals cell 3 comma 14 space cm end 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mathvariant=¨normal¨»§#952;«/mi»«mrow»«mn»360«/mn»«mo»§#176;«/mo»«/mrow»«/mfrac»«/mtd»«/mtr»«mtr»«mtd/»«mtd/»«mtd/»«/mtr»«mtr»«mtd»«msub»«mi»P«/mi»«mrow»«mi»b«/mi»«mi»u«/mi»«mi»s«/mi»«mi»u«/mi»«mi»r«/mi»«/mrow»«/msub»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mi mathvariant=¨normal¨»§#952;«/mi»«mrow»«mn»360«/mn»«mo»§#176;«/mo»«/mrow»«/mfrac»«mo»§#183;«/mo»«mn»2«/mn»«mo»§#183;«/mo»«mi mathvariant=¨normal¨»§#960;«/mi»«mo»§#183;«/mo»«mi mathvariant=¨normal¨»r«/mi»«/mtd»«/mtr»«mtr»«mtd»«msub»«mi mathvariant=¨normal¨»P«/mi»«mi»busur«/mi»«/msub»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mn»1«/mn»«mn»8«/mn»«/mfrac»«mo»§#183;«/mo»«mn»2«/mn»«mo»§#183;«/mo»«mn»3«/mn»«mo»,«/mo»«mn»14«/mn»«mo»§#183;«/mo»«mn»4«/mn»«/mtd»«/mtr»«mtr»«mtd»«msub»«mi mathvariant=¨normal¨»P«/mi»«mi»busur«/mi»«/msub»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»3«/mn»«mo»,«/mo»«mn»14«/mn»«mo»§#160;«/mo»«mi»cm«/mi»«/mtd»«/mtr»«/mtable»«/mstyle»«/math»" height="231" role="math" 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Jadi,&nbsp;panjang busur AB adalah&nbsp;<img align="middle" alt="begin mathsize 14px style 3 comma 14 space cm end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mn»3«/mn»«mo»,«/mo»«mn»14«/mn»«mo»§#160;«/mo»«mi»cm«/mi»«/mrow»«/mstyle»«/math»" role="math" src="data:image/png;base64,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" style="max-width: none;" />.

Perhatikan gambar berikut.

<img alt="" src="https://imgix2.ruangguru.com/assets/miscellaneous/png_zt29nd_8366.PNG" style="width: 200px; height: 180px;" />

Jika luas juring&nbsp;<img align="middle" alt="begin mathsize 14px style AOB equals 2 straight pi space cm squared end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»AOB«/mi»«mo»=«/mo»«mn»2«/mn»«mi mathvariant=¨normal¨»§#960;«/mi»«mo»§#160;«/mo»«msup»«mi»cm«/mi»«mn»2«/mn»«/msup»«/mrow»«/mstyle»«/math»" height="15" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="95" />&nbsp;dan jari-jari lingkaran&nbsp;<img align="middle" alt="begin mathsize 14px style 4 space cm end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mn»4«/mn»«mo»§#160;«/mo»«mi»cm«/mi»«/mrow»«/mstyle»«/math»" height="11" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="33" />, maka panjang busur AB adalah ....&nbsp;

matematika

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geografi

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Perhatikan gambar berikut. Jika luas juring da...

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