Puzzle time: minimum lines

Thursday 12th March 2020

This rectangle has 9 straight lines, and 14 squares.

Can you find all 14 squares?

Table rn

This rectangle also has 9 straight lines, and has 20 squares.

Can you find all 20?

 Table 2 rn

What is the maximum number of squares you can have with a rectangle of 9 straight lines?

Find the minimum number of straight lines needed to make a rectangle with exactly 100 squares. 

By West Midlands team

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