The polygons that will tessellate are determined by their properties. Validation of conjectures requires the use of logical proof. Concepts are measurable, clear, and focused on important content. Distance vs. time graphs can be created in order to analyze the motion of an object in terms of both magnitude and direction. Concept is measurable, clear, and focused on important content.
Engineering design is a process.
Concept is measurable, clear, and focused on important content.