Question

Find the square root of 121 and 169 by repeated subtraction

Answer 1

Answer:

Subtract odd numbers Step by step from the result

Step-by-step explanation:

121

- 1

_____

120

- 3

---------

117

- 5

---------

112

- 7

---------

105

- 9

--------

96

- 11

--------

85

- 13

---------

72

- 15

----------

57

- 17

-----------

40

- 19

------------

21

- 21

-----------

0

-----------

We have subtracted Odd Numbers 11 times So the square root of 121 is 11.