posted by ashely .
1.Isoscles obtuse triangle TRI with vertex angle T.
2.Rhombus RHOM with acute <H and the shorter diagonal.
3.Scalene right triangle SCA with midpointsL<M and N on SC, CA, and SA, respecitively.
4.Trapeoziod TRAP with TR|| A[, RE PA and P,E and A collinear
5.KIte KITE with EK=KI and obtuse <K