angle4dHeidelberg partnumber: 4D.735.109S (4D735109S) Former partnumbers: NA Matching machine types: Dymatrix 106, Condition:almost as new.An Isosceles trapezoid, as shown above, has left and rht sides of equal length that join to the base at equal angles.. The Kite. Hey, it looks like a kite (usually).. It has two pairs of sides:.