The concepts of perfect and nonperfect squares appeared in many ancient texts. complete the sentences to identify the perfect and nonperfect squares. is a perfect square. is a nonperfect square.

A Perfect Square number from a number system is a number which can be expressed as the square of some number from same number system.

Or A perfect square no is a no. whose square root is possible and belong to same number system.

Number ending with 1 , 2 , 3 , 7 , 8 can never be a perfect square no.

Some examples of Perfect Square No.

16 = (4)² = (-4)²

625 = (25)² = (-25)²

10000 = (100)² = (-100)²

1.21 = (1.1)² = (-1.1)²

Non Perfect Square Number is a number which can not be expressed as the square of some number.

Number ending with 1 , 2 , 3 , 7 , 8 are always a non perfect square no.

Some examples of Non Perfect Square No.

5 , 17 , 12 , 6 , 235 , 1.235 ,

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers

if you was gonna solve for a, a is a   < -12