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Overarch 2

Age 16 to 18 Challenge Level:

This problem follows on from Overarch 1.

 


Bricks are 20cm long and 10cm high. If you built a tower of single bricks without using mortar on a flat horizontal surface, how tall would the tower have to be for it to overhang by 1 metre? How big an overhang is it possible to make like this?