Advertisements
Advertisements
Question
Find the square of the following number by visual method:
702
Advertisements
Solution
We have:
702 = 700 + 2
Let us draw a square having side 702 units. Let us split it into 700 units and 2 units.
The sum of the areas of these four parts is the square of 702. Thus, the square of 702 is 492804.
APPEARS IN
RELATED QUESTIONS
Find the square root of the following number by division method.
576
Find the least number which must be added to the following number so as to get a perfect square. Also find the square root of the perfect square so obtained.
252
These are 500 children in a school. For a P.T. drill they have to stand in such a manner that the number of rows is equal to number of columns. How many children would be left out in this arrangement?
Find the squares of the following number using the identity (a + b)2 = a2 + 2ab + b2
1001
Find the square of the following number using the identity (a − b)2 = a2 − 2ab + b2:
99
Find the square of the following number using the identity (a − b)2 = a2 − 2ab + b2:
999
Write the possible unit's digits of the square root of the following number. Which of these number is odd square root?
99856
Find the square root of the following by long division method:
3915380329
Which of the following numbers will have 6 at their unit’s place :
(i) 262
(ii) 492
(iii) 342
(iv) 432
(v) 2442
Find the square root by long division method
11025
