Perimeter of a Square
We will discuss
here how to find the perimeter of a square. Perimeter
of a square is the total length (distance) of the
boundary of a square.
In a square all the sides are of equal lengths.
Hence, perimeter of a square = 4l
We
know that all the sides of a square are equal.
Perimeter of the square ABCD
= AB + BC + CD + AD
= 2 cm + 2 cm + 2 cm + 2 cm
= (2 × 4) cm
= 8 cm
Perimeter of a square is 4 times of s side.
Perimeter of a square = 4 × length of a side.
Let us consider some of the examples on perimeter of a square:
1. Each side of a square is 2.5 cm.
Find its perimeter.
Solution:
Side
= 2.5 cm
Therefore,
perimeter of a square = 4 × length of a side
= (4 × 2.5) cm
= 10 cm
2. A rope of length 96 m was used to fence a square garden. What is the length of the side of the garden?
Solution:
Perimeter of the garden = Length of the rope = 96 m
We know that perimeter of a square = 4 × length of a side
So, 4 × length of a side = 96 m
Length of a side = \(\frac{96}{4}\) m = 24 m
Therefore, length of the one side of the square shape garden is 24 m.
3. Find the perimeter of a square shaped playground whose each side length 12 m.
Solution:
We know a square has four equal sides. So, we can easily calculate the perimeter of a square.
The formula for finding the perimeter of a square is:
P = 4 × length of a
side
= 4 × 12 m
= 48 m
4. Each sides of a paper sheet is 14 ft. Find its perimeter.
Solution:
Given: Side length is 14 ft.
Perimeter of a square is = 4 × side
= 4 × 14 ft
= 56 ft
5. Find the perimeter of the square PQRS whose one side is 10.5
m.
Solution:
Side of the square = 10.5 m
Perimeter of the square = 4 × side
= 4 × 10.5
= 42 m
6. Find the perimeter of the square PQRS whose one side is 4
cm.
Solution:
The perimeter of the square
= 4 × side
= 4 × 4 cm
= 16 cm
Questions and Answers on Perimeter of a Square:
1. The perimeter of a square photo frame is 12 cm. What is
the length of its side?
Answer:
3
cm
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● Related Concepts
● Units
for Measuring Length
● Measuring
Instruments
● To
Measure the Length of a Line-segment
● Perimeter
of a Figure
● Perimeter of a Triangle
● Perimeter of a Rectangle
● Perimeter of a Square
● Unit of
Mass or Weight
● Examples
on Unit of Mass or Weight
● Units
for The Measurement of Capacity
● Examples
on Measurement of Capacity
● Measurement
of Time
● Read a
Watch or a Clock
● Antemeridian
(a.m.) or Postmeridian (p.m.)
● What Time it is?
● Time
in Hours and Minutes
● 24 Hour Clock
● Units of Time
● Examples
Units of Time
● Time Duration
● Calendar
● Reading
and Interpreting a Calendar
● Calendar
Guides us to Know
4th Grade Math Activities
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