Answer:
36 tiles
Step-by-step explanation:
Since there is 1 extra tile on each side of the 8x8 pool, we can say that the entire area of the picture is 10x10.
Subtracting 8x8 from 10x10 we get
(10x10) - (8x8) = ?
100 - 64 = 36
36 tiles are around the 8x8 pool
