Question 2
We define a trapezoid as a quadrilateral, which has a pair of parallel laterals; another pair of laterals are not parallel. In the rectangular arrangement below, there are exactly three noncongruent trapezoids. One of them is BCIG.

(a) Find the other two non-congruent trapezoids.
(b) Find the other 7 trapezoids which are congruent to BCIG.
(c) What is the total number of trapezoids that can be made on the arrangement (both congruent and non-congruent, including BCIG)?

(a) Find the other two non-congruent trapezoids.
(b) Find the other 7 trapezoids which are congruent to BCIG.
(c) What is the total number of trapezoids that can be made on the arrangement (both congruent and non-congruent, including BCIG)?