1,4,9,16,25,36,49,64,81,100,121,144,169,196.
225 (15 squared)256 (16 squared)289 (17 squared)324 (18 squared)
Only 15^2 falls between 200 and 250.15^2 = 225.
300
If you don't specify the size of the squares, we can't give an accurate answer. There are 400 one-unit squares and 200 two-unit squares and 4 ten-unit squares and so on.
1,4,9,16,25,36,49,64,81,100,121,144,169,196.
121 and 196
225 (15 squared)256 (16 squared)289 (17 squared)324 (18 squared)
Only 15^2 falls between 200 and 250.15^2 = 225.
300
1166650
196 = 142
200
196 full squares. If you can cut the 6x6 squares in thirds to fill the excess then it's 200 2/3.
If you don't specify the size of the squares, we can't give an accurate answer. There are 400 one-unit squares and 200 two-unit squares and 4 ten-unit squares and so on.
300
1 4 9 16 25 36 49 64 81 100 121 144 169 196