Here's what definitions I think match up with each term:
Equilateral triangle: a triangle with three congruent sides Composite figure: a figure made up of two or more three dimensional figures Parallelogram: a quadrilateral with opposite sides both parallel and congruent Volume: the amount of space within a three dimensional figure Rectangular prism: a three dimensional figure with six rectangular faces, twelve edges, and eight vertices Regular polygon: a polygon with 5 sides Triangular prism: a prism with two congruent triangular based Obtuse triangle: a triangle with one obtuse angle Face: a flat surface of a three dimensional figure Polygon: a polygon with congruent sides/congruent angles Square: a closed figure made up of line segments that do not cross each other
