![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The trapezoid has exactly one pair of parallel sides.
\Find the slopes of bases to determine whether the DEFG is a trapezoid.
\The slope formula is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3113839441e3480450ece8dbc4b861da.png\")
.
Slope of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fd75c5723568f6cde16a37513c93e205.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d5b46415ee5f891951c1c04e1024dd55.png\")
)
Slope of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=12e7b6058147f068c9c31e2e8c6516cb.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bf02f34ff4bcc135a98376b176f7a4b3.png\")
)
Since the two bases have same slopes, DEFG is a trapezoid.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
DEFG is a trapezoid.