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Byju's Answer
Standard VIII
Mathematics
Estimating Square Root
Estimate the ...
Question
Estimate the square root of the following numbers(approximate numbers):
(i) 160 (ii) 1035
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Solution
Dear student
1) 160
1
)
160
to
the
nearest
whole
number
.
First
list
some
perfect
square
and
look
for
the
whole
number
near
by
161
1
,
4
,
9
,
16
,
25
,
36
,
49
,
64
,
81
,
100
,
121
,
144
,
169
We
observe
that
160
lies
between
the
perfect
squares
141
and
169
.
That
is
141
<
160
<
169
Now
find
the
square
root
of
each
number
.
141
<
160
<
169
So
,
it
is
between
12
and
13
Since
160
is
much
closer
to
169
,
so
best
whole
number
estimate
is
13
.
Similarly
try
other
parts
as
a
part
of
your
practise
.
Regards
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