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Topic: Kites: Are rhombuses kites?
Replies: 26   Last Post: Aug 29, 2002 11:49 AM

 Messages: [ Previous | Next ]
 Mike de Villiers Posts: 38 Registered: 12/6/04
Re: Kites: Are rhombuses kites?
Posted: Nov 13, 1997 4:33 AM

On Tue, 11 Nov 1997, Eileen M. Klimick Schoaff wrote:

> I have encountered two different definitions of trapezoids in textbooks.
>
> 1. Trapezoids are convex quadrilaterals with exactly two parallel sides.
>
> 2. Trapezoids are convex quadrilaterals with two parallel sides.

The inclusive definition 2 is to be preferred for reasons mentioned earlier.

Michael de Villiers

>
> Definition #1 eliminates parallelograms as being a subset of trapezoids.
> Definition #2 would include parallelograms and could be restated as:
> Trapezoids are convex quadrilaterals having as least two parallel sides.
>
> In New York State, we use definitions #1, but encountered #2 in an NCTM
>
> Eileen Schoaff
> Buffalo State College
>
>

Date Subject Author
11/10/97 David Rome
11/10/97 Guy F. Brandenburg
11/12/97 Michael Keyton
11/11/97 Joshua Zucker
11/11/97 Gary Tupper
11/11/97 Guy F. Brandenburg
11/12/97 Michael Keyton
11/12/97 Joshua Zucker
11/11/97 John Conway
11/13/97 Mike de Villiers
11/11/97 John Conway
11/11/97 Joshua Zucker
11/11/97 John Conway
11/11/97 Michael Keyton
11/11/97 John Conway
11/11/97 Eileen M. Klimick Schoaff
11/11/97 Joshua Zucker
11/13/97 Mike de Villiers
11/11/97 Michael Keyton
11/11/97 Eileen M. Klimick Schoaff
11/12/97 Michael Keyton
11/13/97 Mike de Villiers
8/28/02 Diane
8/29/02 Walter Whiteley
8/29/02 Nat Silver
8/29/02 RFincutter@aol.com
8/29/02 John Conway