The square root of 225 is 15, both the perfect square 225 and its square root 15 has the unit digit as 5. The number of squares in a scrabble board is 225, in which it has 15 boxes horizontally, and 15 boxes vertically (15 x 15 = 225).

The square root of 225 is 15, both the perfect square 225 and its square root 15 has the unit digit as 5. The number of squares in a scrabble board is 225, in which it has 15 boxes horizontally, and 15 boxes vertically (15 x 15 = 225).

The nearest previous perfect square is 196 and the nearest next perfect square is 256 .