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Definition of a Trapezoid - YourTeacher.com - Geometry Help

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Uploaded by on Oct 31, 2007

For a complete lesson on trapezoids, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn the definitions of a trapezoid, an isosceles trapezoid, and the median of a trapezoid. Students also learn the following theorems related to trapezoids. The base angles of an isosceles trapezoid are congruent. The median of a trapezoid is (a) parallel to the bases and (b) has a length equal to the average of the lengths of the bases. Students are then asked to solve problems related to these concepts using Algebra.

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Top Comments

  • Cute girl.

  • nice video thank you for posting this up and keep up the great work.

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All Comments (18)

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  • terrible, waste of time

  • She looks like shes from the 80's

    I think im gonna go be emo now cause shees soooooooooo ugly

    Im just kidding

    Great work

    Helped allot

  • concise

  • And i'm gussing the height goes straight up the middle?

  • @XXDarkMewtwoXX i think its the same.

  • WHAT THE HELL IS A TRAPEZOID?! It's called a trapezium >:(

  • Domo origato Mr. Roboto

  • @Koppie

    Lol

  • yay now i understand my homework thanx!!

  • I love you

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