Question

9489 square - 9488 square

Answer 1

Answer:

18977

Step-by-step explanation:

asquare - bsquare (for consecutive numbers) = a+b

Answer 2

Answer:

18977

Step-by-step explanation:

1) 9489 * 9489 = 90041121

2) 9488 * 9488 = 90022144

90041121 - 90022144 = 18977

So answer is 18977