225 is the square of 15 - it equals 15 x 15
196 is the square of 14 - it equals 14 x 14
169 is the square of 13 - it equals 13 x 13.
The "how" as to the relationship between 1515 and 225 is that the "multiplied by" has been omitted.
In case the problem asks for the next in the series, 1212 is to 144 or 1616 is to 256.
256 + 225 - 196 + 169 = 454
what equals 169?
169 = 13 x 13 196 = 14 x 14
64, 81, 100, 121, 144, 169, 196.
Squares of 16, 15, 14, 13.
169
The answer is 169.
169 15*15 = 225 14*14 = 196 13*13 = 169
167
256 + 225 - 196 + 169 = 454
what equals 169?
169 = 13 x 13 196 = 14 x 14
64, 81, 100, 121, 144, 169, 196.
169 < 179 < 196 So, sqrt(169) < sqrt(179) < sqrt(196) and so, 13 < sqrt(179) < 14
The first five square numbers greater than 100 are 121, 144, 169, 196, and 225.
Squares of 16, 15, 14, 13.
169 which is 13² and 196 which is 14².