Question

Find the Square root of 121 by the method of repeated subtraction​

Answer 1

Answer:11

Step-by-step explanation:

square root of 121 by repeated subtraction method.

1.) 121-1=120

2.) 120-3=117

3.) 117-5=112

4.) 112-7=105

5.) 105-9=96

6.) 96-11=85

7.) 85-13=72

8.) 72-15=57

9.) 57-17=40

10.) 40-19=21

11.) 21-21=0

total 11 steps are required to reach 0 . So the square root is 11

Answer 2

Step-by-step explanation:

121-1=120(1)

120-3=117(2)

117-5=112(3)

112-7=105(4)

105-9=96(5)

96-11=85(6)

85-13=72(7)

72-15=57(8)

57-17=40(9)

40-19=21(10)

21-21=0(11)

11^2=121