Measurement and Dimensional Analysis · Measurement

Surface Area of Composite Solids

Deconstructing complex 3D objects into simpler shapes to calculate total surface area.

Key Questions

  1. 1Why do we subtract overlapping areas when calculating the surface area of composite objects?
  2. 2How does the surface area to volume ratio affect the cooling or heating of an object?
  3. 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

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