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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 line) cutting system of lines. A transversal line..

consider

/kənˈsidər/

verb

think carefully about.

depending

/dəˈpend/

verb

Hang down..

interior

/ˌinˈtirēər/

adjective noun

Being the inside part of a building, car etc.. Remote central area of a continent.

diagonal

/dīˈaɡənl/

adjective noun

referring to straight line joining opposite corners of shape. straight line joining opposite corners of shape.

opposite

/ˈäpəzət/

adjective adverb noun preposition

Being totally different from. in opposite position. opposite person or thing. facing.

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

(Of two lines) at equal distance from each other. A line on a map a set distance from the equator. To be equal to, or like, something else.

congruent

/kənˈɡro͞oənt/

adjective

Having the same shape and size.

intersecting

/ˌin(t)ərˈsekt/

verb

divide something by passing or lying across it.

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