Ohio Mathematics Academic Content Standards (2001)
Geometry and Spatial Sense Standard
Apply properties of equality and proportionality to solve problems involving congruent or similar figures; e.g., create a scale drawing.
Grade Level Indicators (Grade 7)
Determine and use scale factors for similar figures to solve problems using proportional reasoning.
Principles and Standards for School Mathematics
Analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationships
understand relationships among the angles, side lengths, perimeters, areas, and volumes of similar objects;