Question

Find the largest 2 digit which is a perfect square?
Please explain step by step. ​

Answer 1

Answer:

81 is the largest perfect square (9²)

Answer 2

Answer:

81

Step-by-step explanation:

Largest 2 digit number is 99. So we will find the square root of 99. Now whatever number which is remaining at the last we will subtract it from 99.

18 is remaining at the last . So when we subtract it from 99. Our answer will come 81.

So the largest 2 digit number which is a perfect square is 81.