If the square field measures 900 square meters, it must be equal on all sides. That means the length of one side alone would be equal to 900/4 which is 225.
The number of subsets of a set is 256, and the number of subsets of a set is 128. If | ∪ | = 2 × | ∩ |, then what is the value of | ∩ |? and what will be the number of subsets of the set ∩ ?
