There are 5 square numbers under 30: 1, 4, 9, 16, and 25.
1, 4, 9, 16, 25
5
80
4
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
Just multiply the two numbers together. You have 900 square feet.
2 (4x4=16 and 5x5=25
30
25
Multiply the two numbers and you get 1,800 square inches. Each square foot has 144 square inches. So you get 12.5 square feet.