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Proof: Opposite sides of parallelogram congruent | Quadrilaterals | Geometry | Khan Academy

280,943 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

88%
  • 7:31 / 8:29

Speech Rate:

  • 145 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

transversal

/tran(t)sˈvərsəl/

adjective noun

(of a line) intersecting a system of lines.. A transversal line..

consider

/kənˈsidər/

verb

think carefully about.

depending

/dəˈpend/

verb

Be able to trust; rely on..

interior

/ˌinˈtirēər/

adjective noun

inner. Part of country that is far from the border, coast.

diagonal

/dīˈaɡənl/

adjective noun

Joining two opposite corners at an angle. straight line joining opposite corners of shape.

opposite

/ˈäpəzət/

adjective adverb noun preposition

situated on other or further side. in opposite position. Person, thing that is totally different to another. Across from or on the side facing something.

alternate
adjective noun verb

every other. deputy or substitute. To follow one thing after another repeatedly.

parallelogram

/ˌperəˈleləˌɡram/

noun

four-sided plane rectilinear figure with opposite sides parallel.

because

/bēˈkəz/

conjunction

for reason that.

parallel

/ˈperəˌlel/

adjective noun verb

Very similar and often occurring at the same time. A line on a map a set distance from the equator. To compare.

congruent

/kənˈɡro͞oənt/

adjective

in agreement or harmony.

intersecting

/ˌin(t)ərˈsekt/

verb

To divide something by crossing it.

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