What is the square root of 1.21?

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Answer 1 · 2018-04-24T14:56:49

1.1

#sqrt121=11# so the #sqrt1.21=1.1#

Answer 2 · 2018-04-24T14:57:56

#+-1.1#

#"note that "1.21=121/100#

#rArrsqrt1.21=sqrt(121/100)#

#=sqrt121/sqrt100=+-11/10=+-1.1#