Consider the figure shown, given that $ABCD$ABCD is a trapezoid.
Which sides are parallel?
$DC$DC and $EB$EB
none
$AB$AB and $DC$DC
$AD$AD and $BC$BC
Find $m\angle ABC$m∠ABC.
Find $m\angle ADC$m∠ADC.
Find the value of all variables in the figure.
Consider the following trapezoid.
Consider the following trapezoid $JKLM$JKLM, where $KM=20$KM=20.