PDF chapter test TRY NOW

Show that \(A(5, 4)\), \(B(6, 12)\), \(C(7, 12)\) and \(D(11, 4)\) are the vertices of a trapezium.
 
Slope of \(AB\) \(=\) i
 
Slope of \(BC\) \(=\) i
 
Slope of \(CD\) \(=\) i
 
Slope of \(AD\) \(=\) i
 
\(ABCD\) is a .