Adjacent Sides {Ans: In a polygon, two sides that intersect to form a vertex.}Equilateral triangle {Ans: A triangle with three congruent sides}Pyramid {Ans: A solid shape with a polygon as a base and triangular faces that come to a point (vertex or apex)}Triangle {Ans: 3 sides, 3 angles, 1 triangle inside, interior angle sum=180 degrees}Right Circular Cone {Ans: A cone is a solid that has a circular base and a a single vertex. If the vertex is over the center of the base, it is called a right cone. If it is not, it is called an oblique cone.}Right Prism {Ans: A prism whose lateral faces are all rectangles and whose lateral edges are perpendicular to both bases}