farries6belChyC farries6belChyC

26-11-2016
Mathematics

Answered

A square wall, is covered with square tiles. There are 85 tiles altogether along the two diagonals. How many tiles are there on the whole wall?

Verified Answer :

alsteva alsteva

29-11-2016

Not counting the middle tile which both have we get 84.

Divide that by 2 because we have two diagonals.

We get 42 + 1 (middle tile) for one diagonal.

So one side has 43 tiles, too. The total number of tiles is
\(43^2=1849\)

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