Question #63d55

1 Answer
EZ as pi
Aug 18, 2016

sqrt77 " lies between " 8 and 9

Explanation:

Let's look at the perfect squares which are close to 77.

64 = 8^2 and 81 = 9^2

sqrt64 < sqrt77 < sqrt81

8 < sqrt77 < 9

Related questions
See all questions in Square Roots and Irrational Numbers
Impact of this question
3368 views around the world
You can reuse this answer
Creative Commons License