Worksheet on Perimeter

Practice the questions given in the worksheet on perimeter. The questions are based on finding the perimeter of the triangle, perimeter of the square, perimeter of rectangle and word problems.

I. Find the perimeter of the triangles having the following sides.

(i) 4 cm, 6 cm, 5 cm

(ii) 6.5 cm, 7 cm, 8 cm

(iii) 9 cm, 3 cm, 2 cm

(iv) 2.5 cm, 7.5 cm, 4 cm


II. Find the perimeter of the squares having the following sides.

(i) 6 cm

(ii) 9 cm

(iii) 4.5 cm

(iv) 5.5 cm


III. Find the perimeter of rectangle having the following sides.

(i) length = 5 cm, breadth = 3 cm,

(ii) length = 9 cm, breadth = 4 cm,

(iii) length = 7.5 cm, breadth = 4.5 cm,

(iv) length = 8.4 cm, breadth = 5.6 cm


IV. Solve the following.

(i) The length of a rectangle field is 200 m. If its perimeter is 700 m, find its breadth.

(ii) The sides of a triangular park are 14 m, 17 m and 20 m. Find its perimeter.

(iii) The perimeter of a rectangle hall is 24 m. If its length is 8 m, find its breadth.

(iv) A triangular field has sides 210 m, 180 m and 230 m long. How many metres of wire is required to fence the field?


Answers for the worksheet on perimeter are given below.


I. (i) 15 cm

(ii) 21.5 cm

(iii) 14 cm

(iv) 14 cm


II. (i) 24 cm

(ii) 36 cm

(iii) 18 cm

(iv) 22 cm


III. (i) 16 cm

(ii) 26 cm

(iii) 24 cm

(iv) 28 cm


IV. (i) 150 m

(ii) 51 m

(iii) 4 m

(iv) 620 m

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


Reading and Interpreting a Calendar

Calendar Guides us to Know

4th Grade Math Activities

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