document.write( "Question 1173739: Prove that quadrilateral A(1,-2), B(13,4), C(6,8) and D(-2,4) is a trapezoid, but is not an isosceles trapezoid. \n" ); document.write( "

Algebra.Com's Answer #799062 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "m =
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document.write( "A(1,-2)                                            C(6,8)          
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document.write( "B(13,4),  m = -6/-12 = 1/2 *            D(-2,4),  m = 4/8 = 1/2 *
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document.write( "AB is parallel to CD as the slopes of these two sides segments are equal.
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document.write( "Two sides of the quadrilateral are parallel: it is a trapezoid\r
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document.write( "distance  A(1,-2) to  D(-2,4) is  = √45     D = 
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document.write( "distance  B(13,4) to  C(6,8) is  = √65  
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document.write( " AB and BC are NOT the same length- is not an isosceles trapezoid.                  \n" );
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