Year 8 Mathematics / Surface Area of Solids
Surface Area of Composite Solids
Calculate the surface area of composite solids by summing the surface areas of component shapes, then subtracting the internal joint faces that are no longer exposed.
Syllabus area
Measurement and Space
Focus
Establish 3D surface-area fluency that Stage 5 surface-area content directly extends.
You can jump straight to the Mastery Quiz whenever you are ready.
Nova Maths