Pie Chart Worksheet With Answer Key Page 19
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33Q33.
These patterns are drawn on square grids.
Pattern A
Pattern B
In pattern A, the ratio of black squares to grey squares is 1 : 2
What is the ratio of black squares to grey squares in pattern B?
1 :
1 mark
Now look at this new pattern.
What percentage of the new pattern is black?
%
1 mark
Page 19 of 33
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