Perhatikan segitiga ABE dan segitiga DCE Sebangun, sebab:

<img align="middle" alt="begin mathsize 14px style angle A B E equals angle D C E space left parenthesis d i k e t a h u i right parenthesis
angle A E B equals angle D E C space left parenthesis b e r t o l a k space b e l a k a n g right parenthesis
angle B A E equals angle C D E end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mo»§#8736;«/mo»«mi»A«/mi»«mi»B«/mi»«mi»E«/mi»«mo»=«/mo»«mo»§#8736;«/mo»«mi»D«/mi»«mi»C«/mi»«mi»E«/mi»«mo»§#160;«/mo»«mo»(«/mo»«mi»d«/mi»«mi»i«/mi»«mi»k«/mi»«mi»e«/mi»«mi»t«/mi»«mi»a«/mi»«mi»h«/mi»«mi»u«/mi»«mi»i«/mi»«mo»)«/mo»«mspace linebreak=¨newline¨/»«mo»§#8736;«/mo»«mi»A«/mi»«mi»E«/mi»«mi»B«/mi»«mo»=«/mo»«mo»§#8736;«/mo»«mi»D«/mi»«mi»E«/mi»«mi»C«/mi»«mo»§#160;«/mo»«mo»(«/mo»«mi»b«/mi»«mi»e«/mi»«mi»r«/mi»«mi»t«/mi»«mi»o«/mi»«mi»l«/mi»«mi»a«/mi»«mi»k«/mi»«mo»§#160;«/mo»«mi»b«/mi»«mi»e«/mi»«mi»l«/mi»«mi»a«/mi»«mi»k«/mi»«mi»a«/mi»«mi»n«/mi»«mi»g«/mi»«mo»)«/mo»«mspace linebreak=¨newline¨/»«mo»§#8736;«/mo»«mi»B«/mi»«mi»A«/mi»«mi»E«/mi»«mo»=«/mo»«mo»§#8736;«/mo»«mi»C«/mi»«mi»D«/mi»«mi»E«/mi»«/mrow»«/mstyle»«/math»" height="54" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -27px;" width="240" />

Akibatnya:

<img align="middle" alt="begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator A B over denominator D C end fraction end cell equals cell fraction numerator B E over denominator C E end fraction equals fraction numerator A E over denominator D E end fraction end cell row blank blank blank row cell fraction numerator A B over denominator D C end fraction end cell equals cell fraction numerator A E over denominator D E end fraction end cell row cell 15 over 10 end cell equals cell fraction numerator A E over denominator 8 end fraction end cell row cell A E end cell equals cell fraction numerator 15 cross times 8 over denominator 10 end fraction end cell row blank equals 12 row blank blank blank row cell fraction numerator A B over denominator D C end fraction end cell equals cell fraction numerator B E over denominator C E end fraction end cell row cell 15 over 10 end cell equals cell fraction numerator B E over denominator 6 end fraction end cell row cell B E end cell equals cell fraction numerator 15 cross times 6 over denominator 10 end fraction end cell row blank equals cell 9 space c m end cell row blank blank blank 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»«mfrac»«mrow»«mi»A«/mi»«mi»B«/mi»«/mrow»«mrow»«mi»D«/mi»«mi»C«/mi»«/mrow»«/mfrac»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mrow»«mi»B«/mi»«mi»E«/mi»«/mrow»«mrow»«mi»C«/mi»«mi»E«/mi»«/mrow»«/mfrac»«mo»=«/mo»«mfrac»«mrow»«mi»A«/mi»«mi»E«/mi»«/mrow»«mrow»«mi»D«/mi»«mi»E«/mi»«/mrow»«/mfrac»«/mtd»«/mtr»«mtr»«mtd/»«mtd/»«mtd/»«/mtr»«mtr»«mtd»«mfrac»«mrow»«mi»A«/mi»«mi»B«/mi»«/mrow»«mrow»«mi»D«/mi»«mi»C«/mi»«/mrow»«/mfrac»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mrow»«mi»A«/mi»«mi»E«/mi»«/mrow»«mrow»«mi»D«/mi»«mi»E«/mi»«/mrow»«/mfrac»«/mtd»«/mtr»«mtr»«mtd»«mfrac»«mn»15«/mn»«mn»10«/mn»«/mfrac»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mrow»«mi»A«/mi»«mi»E«/mi»«/mrow»«mn»8«/mn»«/mfrac»«/mtd»«/mtr»«mtr»«mtd»«mi»A«/mi»«mi»E«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mrow»«mn»15«/mn»«mo»§#215;«/mo»«mn»8«/mn»«/mrow»«mn»10«/mn»«/mfrac»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»12«/mn»«/mtd»«/mtr»«mtr»«mtd/»«mtd/»«mtd/»«/mtr»«mtr»«mtd»«mfrac»«mrow»«mi»A«/mi»«mi»B«/mi»«/mrow»«mrow»«mi»D«/mi»«mi»C«/mi»«/mrow»«/mfrac»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mrow»«mi»B«/mi»«mi»E«/mi»«/mrow»«mrow»«mi»C«/mi»«mi»E«/mi»«/mrow»«/mfrac»«/mtd»«/mtr»«mtr»«mtd»«mfrac»«mn»15«/mn»«mn»10«/mn»«/mfrac»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mrow»«mi»B«/mi»«mi»E«/mi»«/mrow»«mn»6«/mn»«/mfrac»«/mtd»«/mtr»«mtr»«mtd»«mi»B«/mi»«mi»E«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mfrac»«mrow»«mn»15«/mn»«mo»§#215;«/mo»«mn»6«/mn»«/mrow»«mn»10«/mn»«/mfrac»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»9«/mn»«mo»§#160;«/mo»«mi»c«/mi»«mi»m«/mi»«/mtd»«/mtr»«mtr»«mtd/»«mtd/»«mtd/»«/mtr»«/mtable»«/mstyle»«/math»" height="342" role="math" 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style="max-width: none; vertical-align: -162px;" width="109" />

Jadi, panjang AE adalah 12 cm dan panjang BE adalah 9 cm.

&nbsp;

Perhatikan gambar berikut!

<img alt="" src="https://imgix2.ruangguru.com/assets/miscellaneous/jpg_h5qh39_1197.jpg" style="width: 300px; height: 204px;" />&nbsp;

Tentukan panjang AE dan BE!

matematika

bahasa indonesia

ipa terpadu

fisika

biologi

bahasa inggris

geografi

sosiologi

sejarah

kimia

ekonomi

Perhatikan gambar berikut! Tentukan panjang AE...

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