Solved Examples on Squares of 1 to 30
Example 1: Find the area of the circular park whose radius is 21 m.
Solution:
Given,
Radius of Park = 21 m
Area of Circular Park(A) = πr2
A = π (21)2
Using the square of 21 from the square of 1 to 30 table
212 = 441
A = 22/7(441)
A = 1386 m2
Thus, the area of the circular park is 1386 m2
Example 2: Find how much glass is required to cover the square window of side 25 cm.
Solution:
Given,
Side of Square Window(s) = 25 cm
Area of Square Window(A) = (s)2
A = (25)2
Using the square of 25 from the square of 1 to 30 table
252 = 625
A = 625 cm2
Thus, the glass required to cover the square window is 625 cm2
Example 3: Simplify 112 – 52 + 212
Solution:
Using Square of 1 to 30 table we get,
- 112 = 121
- 52 = 25
- 212 = 441
Simplifying, 112 – 52 + 212
= 121 – 25 + 441
= 562 – 25
= 537
Example 4: Simplify 162 + 152 – 192
Solution:
Using Square of 1 to 30 table we get,
- 162 = 256
- 152 = 225
- 192 = 361
Simplifying, 162 + 152 – 192
= 256 + 225 – 361
= 481 – 361
= 120
Square 1 to 30
Square 1 to 30 is the square of all the natural numbers from 1 to 30. The square of a number is the multiple of the number with itself. Learning these squares helps students to easily solve various arithmetic problems and helps them to solve complex calculations with ease. The value of the square of 1 to 30 ranges from 1 to 900 and we represent these squares in the exponent notation as, (a)2 where a is any number between 1 to 30 for example, (11)2 then its value is calculated as, (11)2 = 11×11 = 121.
In this article, we will learn about, the square of numbers from 1 to 30, the square 1 to 30 chart, examples, and others in detail.