Reading the formulae back

Exercise and reference answers

Questions

1. Question

   Volume of a cube of side l

   Choices

   1. l³
   2. 6l²
   3. l²

   Correct choice

   l³

2. Question

   Surface area of a cube of side l

   Choices

   1. l³
   2. 6l²
   3. 4l²

   Correct choice

   6l²

3. Question

   Volume of a cylinder

   Choices

   1. 2πr(r + h)
   2. 2πrh
   3. πr²h

   Correct choice

   πr²h

4. Question

   Surface area of a cuboid

   Choices

   1. 2(lb + bh + hl)
   2. lbh
   3. 6l²

   Correct choice

   2(lb + bh + hl)

Explanation