find square root of 144 using subtraction method.
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find square root of 144 using subtraction method.
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Answer:
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Answer:
144 -(12)= 120
120-(12) = 108
108-(12 = 96
96 -(12) = 84
84 -( 12 )= 72
72 -( 12) = 60
60 -( 12) = 48
48 -( 12) = 36
36 - (12) = 24
24 -(12 )= 12
12 -( 12 )= 0
If you count the number of 12s in the bracket you will see there are 12 12s
ie.
144 - 12×12 = 0
Thus we can say
144 = 12 × 12
therefore square root of 144 is 12
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