Question

Find the square root of 49 by repeated subtraction method

Answer 1

Answer:

7 x 7 = 49

Step-by-step explanation:

49-1=48

48-3=45

45-5=40

40-7=33

33-9=24

24-11=13

13-13=0

Therefore the square root of 49 = 7 because it can be subtracted 7 times.

Answer 2

Answer:

√49=7

Step-by-step explanation:

STEP 1 49-1 = 48

STEP 2 48-3 = 45

STEP 3 45-5 =40

STEP 4 40-7 =33

STEP 5 33-9 =24

STEP 6 24-11=13

STEP 7 13-13=0

WE HAVE SUBTRACTED FROM 49 , THE SUCCESSIVE ODD NUMBERS FROM 1 TO 13 , AND OBTAINED 0 IN STEP 7

SO..

√49=7