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Question
In how many ways can you colour a rectangle of 20 boxes? Colour them all in the grid, and write the length and width of each rectangle you have coloured.
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Solution
This can be done in three ways: 10 x 2, 20 x 1, and 5 x 4
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In the grid here, a rectangle made of 20 boxes is drawn.
The width of this rectangle is 2 boxes.
- What is its length?
What is the length and width of the rectangle you coloured?
