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Topic: trapezoid clarification
Replies: 55   Last Post: Apr 24, 2017 2:30 PM

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Elaine Zseller

Posts: 44
Registered: 4/12/13
RE: trapezoid clarification
Posted: May 27, 2014 10:36 AM
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The inclusive definition of trapezoid would classify rectangles and squares as isosceles trapezoids. An Isosceles trapezoid has congruent base angles and at least one pair of parallel sides. Rectangles and squares fit these more restrictive criteria. All parallelograms are trapezoids but all parallelograms do not fit the more restrictive criteria of an isosceles trapezoid.

- -----Original Message-----
From: owner-nyshsmath@mathforum.org [mailto:owner-nyshsmath@mathforum.org] On Behalf Of Jennifer Sauer
Sent: Sunday, May 25, 2014 9:38 PM
To: nyshsmath@mathforum.org
Subject: Re: trapezoid clarification

According to the website below, when using the inclusive definition of a trapezoid, an isosceles trapeziod is still defined as a "strict" trapezoid (exclusive definition) with congruent legs. Therefore squares and rectangles would not be included. Does that agree with the CCSS definition?

http://www.math.washington.edu/~king/coursedir/m444a00/syl/class/trapezoids/Trapezoids.html
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Date Subject Author
5/17/14
Read trapezoid clarification
Meg Clemens
5/17/14
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sherry
5/17/14
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Roberta M. Eisenberg
5/17/14
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Jonathan Halabi
5/17/14
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JFish@csufsd.org
5/19/14
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Tom Kenyon
5/19/14
Read RE: trapezoid clarification
Dianne Gizowski
5/17/14
Read Re: trapezoid clarification
GPJ
5/17/14
Read Re: trapezoid clarification
Jonathan Halabi
5/17/14
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JFish@csufsd.org
5/18/14
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michelle Van Etten
5/18/14
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barrpub
5/18/14
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Roberta M. Eisenberg
5/18/14
Read Re: trapezoid clarification
Kathy
5/19/14
Read Re: trapezoid clarification
Roberta M. Eisenberg
5/19/14
Read RE: trapezoid clarification
Elaine Zseller
5/18/14
Read Re: trapezoid clarification
Roberta M. Eisenberg
5/21/14
Read Re: trapezoid clarification
Joan Rogers-Harrington
5/25/14
Read Re: trapezoid clarification
Jennifer Sauer
5/27/14
Read RE: trapezoid clarification
Elaine Zseller
5/27/14
Read Re: trapezoid clarification
gWilkie@highlands.com
5/28/14
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Bruce Waldner
5/28/14
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L.C.
5/28/14
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5/28/14
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GPJ
6/3/14
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6/3/14
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6/5/14
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5/28/14
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6/2/14
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5/29/14
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6/4/14
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CCSSIMath

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