Surface Area of 3D 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 surface area of a cube with side length 2cm.
📘 Worked solution
✓6×4 = 24cm².
And one from the hard end
"A cylindrical water tank has radius 1.5m and height 4m. Find its surface area, then the cost to paint it at $12/m², π≈3.14."
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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