Jumlah sudut dalam segitiga adalah&nbsp;<img align="middle" alt="begin mathsize 14px style 180 degree end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mn»180«/mn»«mo»§#176;«/mo»«/mrow»«/mstyle»«/math»" height="12" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="33" />

<img align="middle" alt="begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell m angle P R Q end cell equals cell 180 degree minus 90 degree minus 60 degree end cell row blank equals cell 30 degree end cell 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»m«/mi»«mo»§#8736;«/mo»«mi»P«/mi»«mi»R«/mi»«mi»Q«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»180«/mn»«mo»§#176;«/mo»«mo»-«/mo»«mn»90«/mn»«mo»§#176;«/mo»«mo»-«/mo»«mn»60«/mn»«mo»§#176;«/mo»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»30«/mn»«mo»§#176;«/mo»«/mtd»«/mtr»«/mtable»«/mstyle»«/math»" height="32" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -16px;" width="182" />

Karena&nbsp;<img align="middle" alt="begin mathsize 14px style triangle P Q R approximately equal to triangle K L M end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mo»§#9651;«/mo»«mi»P«/mi»«mi»Q«/mi»«mi»R«/mi»«mo»§#8773;«/mo»«mo»§#9651;«/mo»«mi»K«/mi»«mi»L«/mi»«mi»M«/mi»«/mrow»«/mstyle»«/math»" height="13" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -2px;" width="108" />&nbsp;sehingga sudut-sudut yang bersesuaian besarnya sama.

<img align="middle" alt="begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell m angle K M L end cell equals cell m angle P R Q end cell row blank equals cell 30 degree end cell 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»m«/mi»«mo»§#8736;«/mo»«mi»K«/mi»«mi»M«/mi»«mi»L«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mi»m«/mi»«mo»§#8736;«/mo»«mi»P«/mi»«mi»R«/mi»«mi»Q«/mi»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»30«/mn»«mo»§#176;«/mo»«/mtd»«/mtr»«/mtable»«/mstyle»«/math»" height="32" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -16px;" width="130" />

Dengan demikian, besar&nbsp;<img align="middle" alt="begin mathsize 14px style m angle K M L equals 30 degree end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»m«/mi»«mo»§#8736;«/mo»«mi»K«/mi»«mi»M«/mi»«mi»L«/mi»«mo»=«/mo»«mn»30«/mn»«mo»§#176;«/mo»«/mrow»«/mstyle»«/math»" height="13" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="97" />&nbsp;

Perhatikan gambar.

<img alt="" src="https://imgix2.ruangguru.com/assets/miscellaneous/png_9jrcyl_9179.PNG" style="width: 245px; height: 156px;" />

Diketahui&nbsp;<img align="middle" alt="begin mathsize 14px style triangle P Q R approximately equal to triangle K L M end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mo»§#9651;«/mo»«mi»P«/mi»«mi»Q«/mi»«mi»R«/mi»«mo»§#8773;«/mo»«mo»§#9651;«/mo»«mi»K«/mi»«mi»L«/mi»«mi»M«/mi»«/mrow»«/mstyle»«/math»" height="13" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -2px;" width="108" />&nbsp;dan&nbsp;<img align="middle" alt="begin mathsize 14px style m angle P Q R equals 60 degree end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»m«/mi»«mo»§#8736;«/mo»«mi»P«/mi»«mi»Q«/mi»«mi»R«/mi»«mo»=«/mo»«mn»60«/mn»«mo»§#176;«/mo»«/mrow»«/mstyle»«/math»" height="14" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -2px;" width="97" />. Tentukanlah:

c. besar&nbsp;<img align="middle" alt="begin mathsize 14px style m angle K M L end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»m«/mi»«mo»§#8736;«/mo»«mi»K«/mi»«mi»M«/mi»«mi»L«/mi»«/mrow»«/mstyle»«/math»" height="13" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="57" />&nbsp;

matematika

bahasa indonesia

ipa terpadu

fisika

biologi

bahasa inggris

geografi

sosiologi

sejarah

kimia

ekonomi

Perhatikan gambar. Diketahui dan . Tentukanlah: c. besar

Jawaban: