Berdasarkan perbandingan sisi pada segitiga siku-siku, perhatikan penghitungan berikut!

&nbsp;<img align="middle" alt="begin mathsize 14px style 45 degree colon 45 degree colon 90 degree equals 1 colon 1 colon square root of 2

BC over DB equals fraction numerator 1 over denominator square root of 2 end fraction
BC over 10 equals fraction numerator 1 over denominator square root of 2 end fraction
BC equals fraction numerator 10 over denominator square root of 2 end fraction
BC equals fraction numerator 10 over denominator square root of 2 end fraction times fraction numerator square root of 2 over denominator square root of 2 end fraction
BC equals fraction numerator 10 square root of 2 over denominator 2 end fraction equals 5 square root of 2 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mn»45«/mn»«mo»§#176;«/mo»«mo»:«/mo»«mn»45«/mn»«mo»§#176;«/mo»«mo»:«/mo»«mn»90«/mn»«mo»§#176;«/mo»«mo»=«/mo»«mn»1«/mn»«mo»:«/mo»«mn»1«/mn»«mo»:«/mo»«msqrt»«mn»2«/mn»«/msqrt»«mspace linebreak=¨newline¨/»«mspace linebreak=¨newline¨/»«mfrac»«mi»BC«/mi»«mi»DB«/mi»«/mfrac»«mo»=«/mo»«mfrac»«mn»1«/mn»«msqrt»«mn»2«/mn»«/msqrt»«/mfrac»«mspace linebreak=¨newline¨/»«mfrac»«mi»BC«/mi»«mn»10«/mn»«/mfrac»«mo»=«/mo»«mfrac»«mn»1«/mn»«msqrt»«mn»2«/mn»«/msqrt»«/mfrac»«mspace linebreak=¨newline¨/»«mi»BC«/mi»«mo»=«/mo»«mfrac»«mn»10«/mn»«msqrt»«mn»2«/mn»«/msqrt»«/mfrac»«mspace linebreak=¨newline¨/»«mi»BC«/mi»«mo»=«/mo»«mfrac»«mn»10«/mn»«msqrt»«mn»2«/mn»«/msqrt»«/mfrac»«mo»§#183;«/mo»«mfrac»«msqrt»«mn»2«/mn»«/msqrt»«msqrt»«mn»2«/mn»«/msqrt»«/mfrac»«mspace linebreak=¨newline¨/»«mi»BC«/mi»«mo»=«/mo»«mfrac»«mrow»«mn»10«/mn»«msqrt»«mn»2«/mn»«/msqrt»«/mrow»«mn»2«/mn»«/mfrac»«mo»=«/mo»«mn»5«/mn»«msqrt»«mn»2«/mn»«/msqrt»«/mrow»«/mstyle»«/math»" role="math" src="data:image/png;base64,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" style="max-width: none;" />&nbsp;&nbsp; &nbsp; &nbsp;

Jadi, panjang BC adalah&nbsp;<img align="middle" alt="begin mathsize 14px style 5 square root of 2 space cm. end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mn»5«/mn»«msqrt»«mn»2«/mn»«/msqrt»«mo»§#160;«/mo»«mi»cm«/mi»«mo».«/mo»«/mrow»«/mstyle»«/math»" role="math" src="data:image/png;base64,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" style="max-width: none;" />&nbsp;&nbsp; &nbsp;

10. Perhatikan gambar berikut!

&nbsp;<img alt="" src="https://imgix2.ruangguru.com/assets/miscellaneous/png_jgbm5r_5897.PNG" style="width: 150px; height: 166px;" />

&nbsp;

Jika panjang <img align="middle" alt="begin mathsize 14px style DB equals 10 space cm end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»DB«/mi»«mo»=«/mo»«mn»10«/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;" />, maka panjang BC adalah<img align="middle" alt="begin mathsize 14px style... cm. end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mo».«/mo»«mo».«/mo»«mo».«/mo»«mi»cm«/mi»«mo».«/mo»«/mrow»«/mstyle»«/math»" role="math" src="data:image/png;base64,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" style="max-width: none;" />&nbsp;

matematika

bahasa indonesia

ipa terpadu

fisika

biologi

bahasa inggris

geografi

sosiologi

sejarah

kimia

ekonomi

10. Perhatikan gambar berikut! Jika panjang...

Jawaban: