Describe each type of polygon in a set of pattern blocks

Equilateral triangle (Green)

60° rhombus (2 triangles) (Blue) that can be matched with two of the green triangles

30° Narrow rhombus (Beige) with the same side-length as the green triangle

Trapezoid (half hexagon or 3 triangles) (Red) that can be matched with three of the green triangles

Regular Hexagon (6 triangles) (Yellow) that can be matched with six of the green triangles

Square (Orange) with the same side-length as the green triangle

All the angles are multiples of 30° (1/12 of a circle) : 30° (1*), 60° (2*), 90° (3*), 120° (4*), and 150° (5*).