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Primary 6 Problem Sums/Word Problems - Try FREE
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Cubes of edges 2 cm are arranged to create a staircase pattern as shown below.
(a) Find the area of figure 20.
(b) Find the perimeter of figure 20.
(c) Find the number of cubes needed for figure 40.
(d) Find the area of figure 90.
(e) Find the perimeter of figure 90.
Notes to students:
- If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12