Solve problems involving the surface areas and volumes of composite three-dimensional objects
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
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
"A toy is a cylinder (radius=2cm, height=8cm) with a hemisphere on top and a cone (height=3cm) on the bottom, all same radius. Find the total volume, then the total exposed surface area."
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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