Question

How many non square numbers are there between 9 square and 8 square ?

Answer 1

Step-by-step explanation:

Non square numbers between 8^2 and 9^2

will be (9^2 - 8^2) - 1

= (9 + 8) (9 - 8) - 1

= (17 × 1) - 1

= 17 - 1

= 16

Numbers are ;

65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80.

Hence, the answer.