Advertisements
Advertisements
Question
Find the square of the following number by visual method:
505
Advertisements
Solution
We have:
505 = 500 + 5
Let us draw a square having side 505 units. Let us split it into 500 units and 5 units.
The sum of the areas of these four parts is the square of 505. Thus, the square of 505 is 255025.
APPEARS IN
RELATED QUESTIONS
Find the square root of the following number by division method.
900
Find the squares of the following number using the identity (a + b)2 = a2 + 2ab + b2
1001
Find the squares of the following numbers by visual method:
52
Write the prime factorization of the following number and hence find their square root.
7056
Find the square root the following by long division method:
1471369
Find the square root the following by long division method:
291600
Find the square root the following by long division method:
82264900
Find the square root of 7 correct to two decimal places; then use it to find the value of `sqrt((4+sqrt(7))/(4-sqrt(7)` correct to three significant digits.
Squares of which of the following numbers will have 1 (one) at their unit’s place :
(i) 57
(ii) 81
(iii) 139
(iv) 73
(v) 64
Find the greatest number of three digits that is a perfect square.
