ou can see that square of mumber making complementary with 10, ends with the same dig
Complementary Square ends with
REMEMBE
3
= 1 and 9 are complementary to each other, so
as 2 and 83 and 7 4 and 6.5 and 5.
5
Q2. What condusion can you draw from this table?
Ans. A square number must end with 1.4.5.6 and 9. It dearly indicates that
amy mumber that ends with 0.2.3.7 and 8 cannot be a perfect square
TEST YOURSES
Perfect square
A natural number is called a perfect square or a square number if it is the square
of some natural number
1.4.9. 16. 25. 64 are perfect squares.
Find the perfect souane
numbers between
(a21 and 40
(b) 50 and 60
Answers
Answer:
.................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,...............................................,..............................