Measurement and Dimensional Analysis · Measurement
Surface Area of Composite Solids
Deconstructing complex 3D objects into simpler shapes to calculate total surface area.
Key Questions
- 1Why do we subtract overlapping areas when calculating the surface area of composite objects?
- 2How does the surface area to volume ratio affect the cooling or heating of an object?
- 3In manufacturing, why is minimizing surface area often a goal for cost reduction?
Ontario Curriculum Expectations
ON: Geometry and Measurement - Grade 9
Grade: Grade 9
Subject: Mathematics
Unit: Measurement and Dimensional Analysis
Period: Measurement
Suggested Methodologies
Ready to teach this topic?
Generate a complete, classroom-ready active learning mission in seconds.