Solve problems involving the surface areas and volumes of composite three-dimensional objects
10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.
Sample: the first question, solved
Find the volume of a composite solid: a 5cm×4cm×6cm rectangular prism plus a 3cm×3cm×3cm cube on top.
📘 Worked solution
✓120+27 = 147cm³.
And one from the hard end
Find the surface area of a rectangular prism (5cm×5cm×8cm) with a square-based pyramid (same base, slant height=6cm) on top, exposed surfaces only.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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