Perhatikan bahwa&nbsp;<img align="middle" alt="begin mathsize 14px style angle ZXV end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mo»§#8736;«/mo»«mi»ZXV«/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="40" />&nbsp;dan&nbsp;<img align="middle" alt="size 14px angle size 14px YXW" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo mathsize=¨14px¨»§#8736;«/mo»«mi mathsize=¨14px¨»YXW«/mi»«/math»" height="13" role="math" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC0AAAANCAYAAAA9tuesAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAMyZLetQAAAZ1JREFUeNrVljFIw0AUhkMJoZQilFLEQQri4CBSEHEq0k2kqzg4FBFEHF0cxVVEnAQpjuJSikgJQimSoYiLiG4FJxE3BwcRl/of/Afh9RKvdcqDD97de7n89/LuiOMMZymSGHNBE3hJEnwNAlFpNVcRuSvADz0zG7HmAuiAZ1A0xF8NBSqAR1vBLQrOitg0eBJzD2CG/hifHRc5E+AO5ME+2BXxJdAHa2J+GxzYCPYjBGs7BDv0q+DEUJ0GSHOcAW0wxfEc1w9bnZu6EvO3oBQn2LMQrKvZAznm5g05SuA5/UtQFvEeN6cP+wfb6pubdLjuS5zgtKVgbarS92AvJkf1cBesG2JH/PT6a7Xpq56v0d8Cx3GCb4YQrK3/x3VYZf8vG2KLLJKyC7BBf5NnwuFGylGC2yMI1qKjbB6c0W9wLO2NLfIVerdquR+213uU4M6IguNEF3n1uRxn+Z5JkXfKvKaYb/EA1uXCmX8KjhKd4wsLhisvYFxbhWusitwa5wfaKmDABs9StL4uSzEt44fWS7EFXENBP5P2+zBgv60nW5nhHuosAAAAfHRFWHRNYXRoTUwAPG1hdGggeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzE5OTgvTWF0aC9NYXRoTUwiPjxtbyBtYXRoc2l6ZT0iMTRweCI+JiN4MjIyMDs8L21vPjxtaSBtYXRoc2l6ZT0iMTRweCI+WVhXPC9taT48L21hdGg+MRciSQAAAABJRU5ErkJggg==" style="max-width: none; vertical-align: -1px;" width="45" />&nbsp;adalah sepasang sudut yang saling bertolak belakang, maka besar sudut keduanya sama. Sehingga diperoleh:

<img align="middle" alt="begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell m angle ZXV end cell equals cell m angle YXW end cell row cell 2 x plus 65 end cell equals cell 4 x plus 15 end cell row cell 4 x minus 2 x end cell equals cell 65 minus 15 end cell row cell 2 x end cell equals 50 row x equals 25 row cell m angle ZXV end cell equals cell 2 x plus 65 end cell row blank equals cell 2 open parentheses 25 close parentheses plus 65 end cell row blank equals cell 50 plus 65 end cell row blank equals 115 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»ZXV«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mi»m«/mi»«mo»§#8736;«/mo»«mi»YXW«/mi»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»+«/mo»«mn»65«/mn»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»4«/mn»«mi»x«/mi»«mo»+«/mo»«mn»15«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»4«/mn»«mi»x«/mi»«mo»-«/mo»«mn»2«/mn»«mi»x«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»65«/mn»«mo»-«/mo»«mn»15«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»50«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»x«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»25«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»m«/mi»«mo»§#8736;«/mo»«mi»ZXV«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»+«/mo»«mn»65«/mn»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»2«/mn»«mfenced»«mn»25«/mn»«/mfenced»«mo»+«/mo»«mn»65«/mn»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»50«/mn»«mo»+«/mo»«mn»65«/mn»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»115«/mn»«/mtd»«/mtr»«/mtable»«/mstyle»«/math»" height="172" role="math" src="data:image/png;base64,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style="max-width: none; vertical-align: -86px;" width="140" />&nbsp;

Dengan demikian diperoleh&nbsp;<img align="middle" alt="begin mathsize 14px style m angle ZXV equals 115 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»ZXV«/mi»«mo»=«/mo»«mn»115«/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="103" />.

Berdasarkan gambar berikut,

<img alt="" src="https://imgix2.ruangguru.com/assets/miscellaneous/png_pqwpyv_4791.png" style="width: 232px; height: 231px;" />

tentukan:

a.&nbsp;<img align="middle" alt="begin mathsize 14px style m angle ZXV 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»ZXV«/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="54" />

matematika

bahasa indonesia

ipa terpadu

fisika

biologi

bahasa inggris

geografi

sosiologi

sejarah

kimia

ekonomi

Berdasarkan gambar berikut, tentukan: a.

Jawaban: