Surface Area of 3D 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 surface area of a cube with side length 2cm.
📘 Worked solution
✓6×4 = 24cm².
And one from the hard end
Find the surface area of a cylinder with radius 3cm and height 8cm, π≈3.14.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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