1, 4, 9, 16, 25
5
4
80
the answer is 1. there is only 1 perfect square beteen 30 and 40.
The next two square numbers after 30 are 36 and 49
900
2 (4x4=16 and 5x5=25
Just multiply the two numbers together. You have 900 square feet.
25
The answer depends on the units used for the measurements given in the question.
real numbers, irrational numbers, ...