Question

find the square root of 729 by gasing the units and tens digit ​

Answer 1

Answer:

the square root of 729 is 27

Answer 2

Answer:

square root of 729 by guessing

units place=9

so units place of its root=3 or 7

since 3<7 take 7

rest number=72

take the number 7 of 72

guessing nearest perfect square number

=4

root of 4=2

so the root of 729=27

Step-by-step explanation:

perfect authorised answer of guessing square root method