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Example using algebra to find measure of complementary angles

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    ๋ฐ˜์ง์„  OL๊ณผ ๋ฐ˜์ง์„  ON์ด ์ˆ˜์ง์ด๋ผ๊ณ  ์ฃผ์–ด์กŒ๋„ค์š”
  • 0:05 - 0:08
    ๋”ฐ๋ผ์„œ ๋ฐ˜์ง์„  OL์€ ๋ฐ˜์ง์„  ON์— ์ˆ˜์ง์ž…๋‹ˆ๋‹ค
  • 0:08 - 0:09
    ์ด ์‚ฌ์‹ค์„ ํ†ตํ•ด ์ด ๊ฐ์ด ์ง๊ฐ
  • 0:09 - 0:12
    ์ฆ‰ 90ยบ๋ผ๋Š” ๊ฒƒ์„ ์•Œ๊ฒŒ ๋˜์—ˆ๋„ค์š”
  • 0:12 - 0:15
    ๊ทธ๋ฆฌ๊ณ  ๋ฌธ์ œ์—์„œ ๊ฐ LOM์˜ ํฌ๊ธฐ๊ฐ€
  • 0:15 - 0:18
    2x+46์˜ ๊ฐ’๊ณผ ๊ฐ™๋‹ค๋Š” ์‚ฌ์‹ค์„ ์•Œ๋ ค ์ฃผ์—ˆ์Šต๋‹ˆ๋‹ค
  • 0:18 - 0:22
    ๋”ฐ๋ผ์„œ ๊ฐ LOM์€
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    2x+46๊ณผ ๊ฐ™์€๊ฑฐ์ฃ 
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    ๊ทธ๋ฆฌ๊ณ  ๊ฐ MON์€
  • 0:31 - 0:34
    3x-6์˜ ๊ฐ’๊ณผ ๊ฐ™๋‹ค๋Š” ์‚ฌ์‹ค๋„ ์•Œ๋ ค ์ฃผ์—ˆ๋„ค์š”
  • 0:34 - 0:38
    ๋”ฐ๋ผ์„œ ์ด ๊ฐ์ด 3x-6๊ฐ€ ๋˜๊ฒ ๋„ค์š”
  • 0:38 - 0:41
    ์šฐ๋ฆฌ๊ฐ€ ๊ตฌํ•ด์•ผ ํ•  ๊ฒƒ์€ ๊ฐ MON์˜ ํฌ๊ธฐ์ž…๋‹ˆ๋‹ค
  • 0:41 - 0:43
    ์ด ๊ฐ์˜ ํฌ๊ธฐ๋ฅผ ์ฐพ์•„์•ผ ๋˜๊ฒ ๋„ค์š”
  • 0:43 - 0:44
    ๋งŒ์•ฝ x๊ฐ’์„ ์•Œ๊ณ  ์žˆ๋‹ค๋ฉด
  • 0:44 - 0:45
    ์ด ๊ฐ์˜ ํฌ๊ธฐ ๋˜ํ•œ ์•Œ ์ˆ˜ ์žˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค
  • 0:45 - 0:46
    ์ด ๊ฐ์˜ ํฌ๊ธฐ๋Š”
  • 0:46 - 0:49
    x์˜ 3๋ฐฐ์— 6์„ ๋บ€ ๊ฐ’์ผ ๊ฒ๋‹ˆ๋‹ค
  • 0:49 - 0:50
    ์šฐ๋ฆฌ๊ฐ€ ์•Œ๊ณ  ์žˆ๋Š” ๋˜ ๋‹ค๋ฅธ ์‚ฌ์‹ค์€
  • 0:50 - 0:52
    ์ด ๋‘ ๊ฐ์„ ๋”ํ•˜๋ฉด
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    ๋‘ ๊ฐ์€ ์ด์›ƒ๊ฐ์ด๊ณ 
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    ๊ฐ์˜ ๋ฐ”๊นฅ์ชฝ ๋ฐ˜์ง์„ ์ด ์ง๊ฐ์„ ์ด๋ฃฌ๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค
  • 0:57 - 1:00
    ๋”ฐ๋ผ์„œ ์ด ๋‘ ๊ฐ์˜ ํ•ฉ์€ 90ยบ๊ฐ€ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค
  • 1:00 - 1:03
    ์šฐ๋ฆฌ๊ฐ€ ๊ตฌํ•ด์•ผ ํ•  ๊ฒƒ์€ ๊ฐ๋„๊ฐ€ ๋˜๊ฒ ๋„ค์š”
  • 1:03 - 1:13
    2x+46๊ณผ 3x-6์˜ ํ•ฉ์€
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    90ยบ๊ฐ€ ๋˜๊ฒ ๋„ค์š”
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    ๋‘ ๊ฐ์€ ์—ฌ๊ฐ์ด๋ฏ€๋กœ
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    ํ•ฉ์ด 90๋„๊ฐ€ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค
  • 1:23 - 1:25
    ์ด์ œ ์ด ์‹์„ ๋‹จ์ˆœํ™”์‹œํ‚ค๋ฉด ๋˜๊ฒ ๋„ค์š”
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    ์—ฌ๊ธฐ ๋‘ ๊ฐœ์˜ x์™€
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    ์„ธ ๊ฐœ์˜ x๊ฐ€ ์žˆ๋„ค์š”
  • 1:27 - 1:30
    ๋”ฐ๋ผ์„œ ๋‘ ๊ฐœ๋ฅผ ๋”ํ•˜๋ฉด 5x๊ฐ€ ๋˜๊ฒ ์ฃ 
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    ๋˜ 46์—์„œ
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    6์„ ๋นผ์•ผ ํ•˜๋ฏ€๋กœ
  • 1:34 - 1:37
    ์ขŒ๋ณ€์—๋Š” 40์ด, ์šฐ๋ณ€์—๋Š” 90์ด ๋‚จ๊ฒŒ ๋˜๋„ค์š”
  • 1:39 - 1:42
    ์ด์ œ ์–‘๋ณ€์—์„œ 40์„ ๋นผ ๋ด…์‹œ๋‹ค
  • 1:42 - 1:45
    40์„ ์–‘๋ณ€์—์„œ ๋นผ ์ฃผ๋ฉด
  • 1:45 - 1:49
    ์ขŒ๋ณ€์—๋Š” 5x๋งŒ ๋‚จ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค
  • 1:49 - 1:53
    ์šฐ๋ณ€์—๋Š” 50์ด ๋‚จ๋„ค์š”
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    ์–‘๋ณ€์„ 5๋กœ ๋‚˜๋ˆ  ์ฃผ๋ฉด
  • 1:56 - 2:01
    x๊ฐ’์€ 10์ด ๋‚˜์˜ค๋„ค์š”
  • 2:01 - 2:02
    ํ•˜์ง€๋งŒ ๋ฌธ์ œ์˜ ๋‹ต์€ 10์ด ์•„๋‹™๋‹ˆ๋‹ค
  • 2:02 - 2:04
    ์šฐ๋ฆฌ๋Š” x๊ฐ’์„ ๊ตฌํ•ด ์ค€ ๊ฒƒ ๋ฟ์ด๋‹ˆ๊นŒ์š”
  • 2:04 - 2:07
    ์šฐ๋ฆฌ๊ฐ€ ๊ตฌํ•ด์•ผ ํ•  ๊ฒƒ์€ ๊ฐ MON์˜ ํฌ๊ธฐ์ž…๋‹ˆ๋‹ค
  • 2:07 - 2:12
    ๊ฐ MON์€
  • 2:12 - 2:23
    3x-6, ์ฆ‰ 3*10-6๊ณผ ๊ฐ™๊ณ 
  • 2:28 - 2:31
    ์ด ์‹์„ ๊ณ„์‚ฐํ•ด ์ฃผ๋ฉด 24๊ฐ€ ๋‚˜์˜ค๋ฏ€๋กœ
  • 2:31 - 2:32
    ๋”ฐ๋ผ์„œ ๊ฐ MON์€ 24ยบ์ž…๋‹ˆ๋‹ค
Title:
Example using algebra to find measure of complementary angles
Description:

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Video Language:
English
Team:
Khan Academy
Duration:
02:33

Korean subtitles

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