a.

Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, D Quadrilateral poly1_1 Quadrilateral poly1_1: Polygon A_1, B_1, C_1, D_1 Quadrilateral poly1_2 Quadrilateral poly1_2: Polygon A_2, B_2, C_2, D_2 Quadrilateral poly1_3 Quadrilateral poly1_3: Polygon A_4, B_3, C_3, D_3 Segment a Segment a: Segment [A, B] of Quadrilateral poly1 Segment b Segment b: Segment [B, C] of Quadrilateral poly1 Segment c Segment c: Segment [C, D] of Quadrilateral poly1 Segment d Segment d: Segment [D, A] of Quadrilateral poly1 Segment a_1 Segment a_1: Segment [A_1, B_1] of Quadrilateral poly1_1 Segment b_1 Segment b_1: Segment [B_1, C_1] of Quadrilateral poly1_1 Segment c_1 Segment c_1: Segment [C_1, D_1] of Quadrilateral poly1_1 Segment d_1 Segment d_1: Segment [D_1, A_1] of Quadrilateral poly1_1 Segment a_2 Segment a_2: Segment [A_2, B_2] of Quadrilateral poly1_2 Segment b_2 Segment b_2: Segment [B_2, C_2] of Quadrilateral poly1_2 Segment c_2 Segment c_2: Segment [C_2, D_2] of Quadrilateral poly1_2 Segment d_2 Segment d_2: Segment [D_2, A_2] of Quadrilateral poly1_2 Segment a_3 Segment a_3: Segment [A_4, B_3] of Quadrilateral poly1_3 Segment b_3 Segment b_3: Segment [B_3, C_3] of Quadrilateral poly1_3 Segment c_3 Segment c_3: Segment [C_3, D_3] of Quadrilateral poly1_3 Segment d_3 Segment d_3: Segment [D_3, A_4] of Quadrilateral poly1_3

b.

Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, D Quadrilateral poly1_2 Quadrilateral poly1_2: Polygon A_2, B_2, C_2, D_2 Quadrilateral poly1_3 Quadrilateral poly1_3: Polygon A_4, B_3, C_3, D_3 Quadrilateral poly1_4 Quadrilateral poly1_4: Polygon A_6, B_4, C_4, D_4 Segment a Segment a: Segment [A, B] of Quadrilateral poly1 Segment b Segment b: Segment [B, C] of Quadrilateral poly1 Segment c Segment c: Segment [C, D] of Quadrilateral poly1 Segment d Segment d: Segment [D, A] of Quadrilateral poly1 Segment a_2 Segment a_2: Segment [A_2, B_2] of Quadrilateral poly1_2 Segment b_2 Segment b_2: Segment [B_2, C_2] of Quadrilateral poly1_2 Segment c_2 Segment c_2: Segment [C_2, D_2] of Quadrilateral poly1_2 Segment d_2 Segment d_2: Segment [D_2, A_2] of Quadrilateral poly1_2 Segment a_3 Segment a_3: Segment [A_4, B_3] of Quadrilateral poly1_3 Segment b_3 Segment b_3: Segment [B_3, C_3] of Quadrilateral poly1_3 Segment c_3 Segment c_3: Segment [C_3, D_3] of Quadrilateral poly1_3 Segment d_3 Segment d_3: Segment [D_3, A_4] of Quadrilateral poly1_3 Segment a_4 Segment a_4: Segment [A_6, B_4] of Quadrilateral poly1_4 Segment b_4 Segment b_4: Segment [B_4, C_4] of Quadrilateral poly1_4 Segment c_4 Segment c_4: Segment [C_4, D_4] of Quadrilateral poly1_4 Segment d_4 Segment d_4: Segment [D_4, A_6] of Quadrilateral poly1_4

c.

Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, D Quadrilateral poly1_2 Quadrilateral poly1_2: Polygon A_2, B_2, C_2, D_2 Quadrilateral poly1_1 Quadrilateral poly1_1: Polygon A_7, B_5, C_5, D_6 Quadrilateral poly1_3 Quadrilateral poly1_3: Polygon A_8, B_6, C_6, D_8 Segment a Segment a: Segment [A, B] of Quadrilateral poly1 Segment b Segment b: Segment [B, C] of Quadrilateral poly1 Segment c Segment c: Segment [C, D] of Quadrilateral poly1 Segment d Segment d: Segment [D, A] of Quadrilateral poly1 Segment a_2 Segment a_2: Segment [A_2, B_2] of Quadrilateral poly1_2 Segment b_2 Segment b_2: Segment [B_2, C_2] of Quadrilateral poly1_2 Segment c_2 Segment c_2: Segment [C_2, D_2] of Quadrilateral poly1_2 Segment d_2 Segment d_2: Segment [D_2, A_2] of Quadrilateral poly1_2 Segment a_1 Segment a_1: Segment [A_7, B_5] of Quadrilateral poly1_1 Segment b_1 Segment b_1: Segment [B_5, C_5] of Quadrilateral poly1_1 Segment c_1 Segment c_1: Segment [C_5, D_6] of Quadrilateral poly1_1 Segment d_1 Segment d_1: Segment [D_6, A_7] of Quadrilateral poly1_1 Segment a_3 Segment a_3: Segment [A_8, B_6] of Quadrilateral poly1_3 Segment b_3 Segment b_3: Segment [B_6, C_6] of Quadrilateral poly1_3 Segment c_3 Segment c_3: Segment [C_6, D_8] of Quadrilateral poly1_3 Segment d_3 Segment d_3: Segment [D_8, A_8] of Quadrilateral poly1_3

d.

Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, D Quadrilateral poly1_2 Quadrilateral poly1_2: Polygon A_2, B_2, C_2, D_2 Quadrilateral poly1_4 Quadrilateral poly1_4: Polygon A_9, B_7, C_7, D_ {10} Quadrilateral poly1_5 Quadrilateral poly1_5: Polygon A_ {10}, B_8, C_8, D_ {12} Segment a Segment a: Segment [A, B] of Quadrilateral poly1 Segment b Segment b: Segment [B, C] of Quadrilateral poly1 Segment c Segment c: Segment [C, D] of Quadrilateral poly1 Segment d Segment d: Segment [D, A] of Quadrilateral poly1 Segment a_2 Segment a_2: Segment [A_2, B_2] of Quadrilateral poly1_2 Segment b_2 Segment b_2: Segment [B_2, C_2] of Quadrilateral poly1_2 Segment c_2 Segment c_2: Segment [C_2, D_2] of Quadrilateral poly1_2 Segment d_2 Segment d_2: Segment [D_2, A_2] of Quadrilateral poly1_2 Segment a_4 Segment a_4: Segment [A_9, B_7] of Quadrilateral poly1_4 Segment b_4 Segment b_4: Segment [B_7, C_7] of Quadrilateral poly1_4 Segment c_4 Segment c_4: Segment [C_7, D_ {10} ] of Quadrilateral poly1_4 Segment d_4 Segment d_4: Segment [D_ {10}, A_9] of Quadrilateral poly1_4 Segment a_5 Segment a_5: Segment [A_ {10}, B_8] of Quadrilateral poly1_5 Segment b_5 Segment b_5: Segment [B_8, C_8] of Quadrilateral poly1_5 Segment c_5 Segment c_5: Segment [C_8, D_ {12} ] of Quadrilateral poly1_5 Segment d_5 Segment d_5: Segment [D_ {12}, A_ {10} ] of Quadrilateral poly1_5