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SASMO 2016 Secondary 4 (Grade 10) Contest Question 13

SASMO · SASMO 2016 Secondary 4 (Grade 10) Contest

Question 13

The diagram below shows a sequence of figures. Each figure consists of white
: squares and shaded squares of the same size (all squares are congruent). What
percentage of the Figure 9 is shaded? (The answer was rounded to the whole
: number of percentage)
[| nt | | i
Figure a ea iS
Figure 2
Figure 3

Question illustration
  1. 19%
  2. 20%
  3. 21%
  4. 22%
  5. None of the above