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Which letter does what?

Exercise and reference answers

Items
  1. Item
    Uses l, b and h
    Category
    Cuboid
  2. Item
    2(lb + bh + hl)
    Category
    Cuboid
  3. Item
    Uses r and h
    Category
    Cylinder
  4. Item
    πr²h
    Category
    Cylinder
Categories
  1. Item
    Cuboid
  2. Item
    Cylinder

Explanation

Keeping the symbols straight prevents most formula slips. Source: syllabus Maths, Ch 9 Mensuration.
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