a.

Polygon poly1_ {19} Polygon poly1_ {19}: Polygon [A_ {20}, B_ {20}, 4] Polygon poly1_ {18} Polygon poly1_ {18}: Polygon [A_ {21}, B_ {21}, 4] Polygon poly1_ {18} Polygon poly1_ {18}: Polygon [A_ {21}, B_ {21}, 4] Polygon poly1_ {20} Polygon poly1_ {20}: Polygon [A_ {19}, B_ {19}, 4] Polygon poly1_ {21} Polygon poly1_ {21}: Polygon [A_ {18}, B_ {18}, 4] Triangle poly2_3 Triangle poly2_3: Polygon E_3, F_3, G_3 Segment f_ {20} Segment f_ {20}: Segment [A_ {20}, B_ {20} ] of Polygon poly1_ {19} Segment g_ {20} Segment g_ {20}: Segment [B_ {20}, C_ {20} ] of Polygon poly1_ {19} Segment h_ {20} Segment h_ {20}: Segment [C_ {20}, D_ {20} ] of Polygon poly1_ {19} Segment i_ {20} Segment i_ {20}: Segment [D_ {20}, A_ {20} ] of Polygon poly1_ {19} Segment f_ {21} Segment f_ {21}: Segment [A_ {21}, B_ {21} ] of Polygon poly1_ {18} Segment g_ {21} Segment g_ {21}: Segment [B_ {21}, C_ {21} ] of Polygon poly1_ {18} Segment h_ {21} Segment h_ {21}: Segment [C_ {21}, D_ {21} ] of Polygon poly1_ {18} Segment i_ {21} Segment i_ {21}: Segment [D_ {21}, A_ {21} ] of Polygon poly1_ {18} Segment f_ {19} Segment f_ {19}: Segment [A_ {19}, B_ {19} ] of Polygon poly1_ {20} Segment g_ {19} Segment g_ {19}: Segment [B_ {19}, C_ {19} ] of Polygon poly1_ {20} Segment h_ {19} Segment h_ {19}: Segment [C_ {19}, D_ {19} ] of Polygon poly1_ {20} Segment i_ {19} Segment i_ {19}: Segment [D_ {19}, A_ {19} ] of Polygon poly1_ {20} Segment f_ {18} Segment f_ {18}: Segment [A_ {18}, B_ {18} ] of Polygon poly1_ {21} Segment g_ {18} Segment g_ {18}: Segment [B_ {18}, C_ {18} ] of Polygon poly1_ {21} Segment h_ {18} Segment h_ {18}: Segment [C_ {18}, D_ {18} ] of Polygon poly1_ {21} Segment i_ {18} Segment i_ {18}: Segment [D_ {18}, A_ {18} ] of Polygon poly1_ {21} Segment g_ {45} Segment g_ {45}: Segment [E_3, F_3] of Triangle poly2_3 Segment e_3 Segment e_3: Segment [F_3, G_3] of Triangle poly2_3 Segment f_ {45} Segment f_ {45}: Segment [G_3, E_3] of Triangle poly2_3 Image Shows the Squares with One Shaded Part Choice-A

Showing image of the squares with one shaded part and 1 triangle is given in 1 square.

b.

Polygon poly1_ {19} Polygon poly1_ {19}: Polygon [A_ {20}, B_ {20}, 4] Polygon poly1_ {18} Polygon poly1_ {18}: Polygon [A_ {21}, B_ {21}, 4] Polygon poly1_ {18} Polygon poly1_ {18}: Polygon [A_ {21}, B_ {21}, 4] Polygon poly1_ {20} Polygon poly1_ {20}: Polygon [A_ {19}, B_ {19}, 4] Polygon poly1_ {21} Polygon poly1_ {21}: Polygon [A_ {18}, B_ {18}, 4] Polygon poly1_ {21} Polygon poly1_ {21}: Polygon [A_ {18}, B_ {18}, 4] Triangle poly2_3 Triangle poly2_3: Polygon E_3, F_3, G_3 Segment f_ {20} Segment f_ {20}: Segment [A_ {20}, B_ {20} ] of Polygon poly1_ {19} Segment g_ {20} Segment g_ {20}: Segment [B_ {20}, C_ {20} ] of Polygon poly1_ {19} Segment h_ {20} Segment h_ {20}: Segment [C_ {20}, D_ {20} ] of Polygon poly1_ {19} Segment i_ {20} Segment i_ {20}: Segment [D_ {20}, A_ {20} ] of Polygon poly1_ {19} Segment f_ {21} Segment f_ {21}: Segment [A_ {21}, B_ {21} ] of Polygon poly1_ {18} Segment g_ {21} Segment g_ {21}: Segment [B_ {21}, C_ {21} ] of Polygon poly1_ {18} Segment h_ {21} Segment h_ {21}: Segment [C_ {21}, D_ {21} ] of Polygon poly1_ {18} Segment i_ {21} Segment i_ {21}: Segment [D_ {21}, A_ {21} ] of Polygon poly1_ {18} Segment f_ {19} Segment f_ {19}: Segment [A_ {19}, B_ {19} ] of Polygon poly1_ {20} Segment g_ {19} Segment g_ {19}: Segment [B_ {19}, C_ {19} ] of Polygon poly1_ {20} Segment h_ {19} Segment h_ {19}: Segment [C_ {19}, D_ {19} ] of Polygon poly1_ {20} Segment i_ {19} Segment i_ {19}: Segment [D_ {19}, A_ {19} ] of Polygon poly1_ {20} Segment f_ {18} Segment f_ {18}: Segment [A_ {18}, B_ {18} ] of Polygon poly1_ {21} Segment g_ {18} Segment g_ {18}: Segment [B_ {18}, C_ {18} ] of Polygon poly1_ {21} Segment h_ {18} Segment h_ {18}: Segment [C_ {18}, D_ {18} ] of Polygon poly1_ {21} Segment i_ {18} Segment i_ {18}: Segment [D_ {18}, A_ {18} ] of Polygon poly1_ {21} Segment g_ {45} Segment g_ {45}: Segment [E_3, F_3] of Triangle poly2_3 Segment e_3 Segment e_3: Segment [F_3, G_3] of Triangle poly2_3 Segment f_ {45} Segment f_ {45}: Segment [G_3, E_3] of Triangle poly2_3 Image Shows the Squares with One Shaded Part Choice-B

Showing image of the squares with one shaded part and 1 triangle is given in 1 square.

c.

Polygon poly1_ {19} Polygon poly1_ {19}: Polygon [A_ {20}, B_ {20}, 4] Polygon poly1_ {19} Polygon poly1_ {19}: Polygon [A_ {20}, B_ {20}, 4] Polygon poly1_ {18} Polygon poly1_ {18}: Polygon [A_ {21}, B_ {21}, 4] Polygon poly1_ {18} Polygon poly1_ {18}: Polygon [A_ {21}, B_ {21}, 4] Polygon poly1_ {20} Polygon poly1_ {20}: Polygon [A_ {19}, B_ {19}, 4] Polygon poly1_ {21} Polygon poly1_ {21}: Polygon [A_ {18}, B_ {18}, 4] Triangle poly2_3 Triangle poly2_3: Polygon E_3, F_3, G_3 Segment f_ {20} Segment f_ {20}: Segment [A_ {20}, B_ {20} ] of Polygon poly1_ {19} Segment g_ {20} Segment g_ {20}: Segment [B_ {20}, C_ {20} ] of Polygon poly1_ {19} Segment h_ {20} Segment h_ {20}: Segment [C_ {20}, D_ {20} ] of Polygon poly1_ {19} Segment i_ {20} Segment i_ {20}: Segment [D_ {20}, A_ {20} ] of Polygon poly1_ {19} Segment f_ {21} Segment f_ {21}: Segment [A_ {21}, B_ {21} ] of Polygon poly1_ {18} Segment g_ {21} Segment g_ {21}: Segment [B_ {21}, C_ {21} ] of Polygon poly1_ {18} Segment h_ {21} Segment h_ {21}: Segment [C_ {21}, D_ {21} ] of Polygon poly1_ {18} Segment i_ {21} Segment i_ {21}: Segment [D_ {21}, A_ {21} ] of Polygon poly1_ {18} Segment f_ {19} Segment f_ {19}: Segment [A_ {19}, B_ {19} ] of Polygon poly1_ {20} Segment g_ {19} Segment g_ {19}: Segment [B_ {19}, C_ {19} ] of Polygon poly1_ {20} Segment h_ {19} Segment h_ {19}: Segment [C_ {19}, D_ {19} ] of Polygon poly1_ {20} Segment i_ {19} Segment i_ {19}: Segment [D_ {19}, A_ {19} ] of Polygon poly1_ {20} Segment f_ {18} Segment f_ {18}: Segment [A_ {18}, B_ {18} ] of Polygon poly1_ {21} Segment g_ {18} Segment g_ {18}: Segment [B_ {18}, C_ {18} ] of Polygon poly1_ {21} Segment h_ {18} Segment h_ {18}: Segment [C_ {18}, D_ {18} ] of Polygon poly1_ {21} Segment i_ {18} Segment i_ {18}: Segment [D_ {18}, A_ {18} ] of Polygon poly1_ {21} Segment g_ {45} Segment g_ {45}: Segment [E_3, F_3] of Triangle poly2_3 Segment e_3 Segment e_3: Segment [F_3, G_3] of Triangle poly2_3 Segment f_ {45} Segment f_ {45}: Segment [G_3, E_3] of Triangle poly2_3 Image Shows the Squares with One Shaded Part Choice-C

Showing image of the squares with one shaded part and 1 triangle is given in 1 square.

d.

None of the above