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 given triangles.

(i) An equilateral triangle with side 13 cm

(ii) An isosceles triangle whose two equal sides are 15 cm and the third side is 20 cm long.

(iii) A scalene triangle with side 12 m, 10 m and 5 m.


III. Find the perimeter of the triangle ABC in each case.

(i) AB = 3 cm, BC = 5 cm and AC = 4 cm

(ii) AB = 6 cm, BC = 9 cm and AC = 8 cm

(iii) AB = 14 cm, BC = 20 cm and AC = 16 cm

 

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

(i) 6 cm

(ii) 9 cm

(iii) 4.5 cm

(iv) 5.5 cm


V. Find the perimeter of squares whose one side is given below.

(i) 15 m

(ii) 12.4 cm

(iii) 0.25 m

(iv) 6 mm

(v) 1.2 km


VI. Find the perimeter of a square in each case.

(i) One side = 6 cm

(ii) One side = 3.5 cm

(iii) One side = 6 cm

(iv) One side = 8.5 cm

(v) One side = 4.5 cm

(vi) One side = 7.5 cm


VII. 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


VIII. Find the perimeter of rectangles with the given dimensions.

(i) Length = 12 cm, Breadth = 4 cm

(ii) Length = 1.5 m, Breadth = 0.6 m

(iii) Length = 100 mm, Breadth = 35 mm

(iv) Length = 13 km, Breadth = 8 km

(v) Length = 11 m, Breadth = 70 cm


IX. Find the perimeter of the rectangle in each case.

(i) Length =15 cm; Breadth = 10 cm

(ii) Length = 8.5 cm; Breadth = 6 cm

(iii) Length = 12 cm; Breadth = 8.5 cm

(iv) Length = 10.5 cm; Breadth = 6.5 cm


X. Find the length of side of squares whose perimeter is given below:

(i) 48 cm

(ii) 56 m

(iii) 10.4 km

(iv) 7.2 m

(v) 360 mm


XI. The sides of a square are 5.5 cm each. Find its perimeter.


XII. Which of the figures given below have the most and least perimeter?

Most and Least Perimeter


XIII. Find the unknown sides of the given figure:

Find the Unknown Side

Worksheet on Word Problems on Perimeter of Triangle, Squares and Rectangle:

XIV. Solve the following word problems on Perimeter.

(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?

(v) Ron jogs around a rectangular park of length 50 m and breadth 30 m. If he takes 10 rounds of the park each day, how much distance does he cover in a day in km?

(vi) The perimeter of a rectangular park is 62 cm. Its length is 17 cm. What will be its breadth?

(vii) The breadth of a rectangular field is 7 m. If the perimeter of the field is 38 m, find its length.

(viii) The perimeter of the square garden is 364 m. Find its side.


XV. Draw a rectangle with perimeter 16 cm and breadth 3 cm in the grid below.

Draw a Rectangle


XVI. Complete the following table for rectangle shapes.

Perimeter of the Rectangle Shapes


XVII. Identify and name the figures given below. Also find perimeter of each shape using a ruler.

Identify and Name the Figures


XVIII. Complete the following table:

Perimeter of Rectangle and Square


XIX. Find the perimeter of:

(i) the triangle whose sides are 7 cm, 8 cm, and 10 cm.

(ii) the rectangle whose sides are 20 cm and 14 cm.

(iii) the square whose side is 25 cm.


XX. Complete the table given below for a rectangle figure:

Worksheet on Perimeter of Rectangular Figures


Worksheet on Perimeter of Plane Figures

XXI. Find the perimeter of each of the following figures:

Worksheet on Perimeter of Plane Figures


Worksheet on Perimeter of Irregular Figures

XXII. Find the perimeter of the given figures:

Worksheet on Perimeter of Irregular Figures


Answers for the worksheet on perimeter are given below.


Answers:


I. (i) 15 cm

(ii) 21.5 cm

(iii) 14 cm

(iv) 14 cm


II. (i) 39 cm

(ii) 50 cm.

(iii) 27 m.


III. Find the perimeter of the triangle ABC in each case.

(i) 12 cm

(ii) 23 cm

(iii) 50 cm


IV. (i) 24 cm

(ii) 36 cm

(iii) 18 cm

(iv) 22 cm


V. (i) 60 m

(ii) 49.6 cm

(iii) 1 m

(iv) 24 mm

(v) 4.8 km


VI. Find the perimeter of a square in each case.

(i) 24 cm

(ii) 14 cm

(iii) 24 cm

(iv) 34 cm

(v) 18 cm

(vi) 30 cm

 

VII. (i) 16 cm

(ii) 26 cm

(iii) 24 cm

(iv) 28 cm


VIII. (i) 32 cm

(ii) 4.2 m

(iii) 270 mm or 27 cm

(iv) 42 km

(v) 2340 cm or 23 m 40 cm


IX. Find the perimeter of the rectangle in each case.

(i) 50 cm

(ii) 29 cm

(iii) 41 cm

(iv) 34 cm


X. (i) 12 cm

(ii) 14 m

(iii) 2.6 km

(iv) 1.8 m

(v) 90 mm


XI. 22 cm


XII. (i) Least - (i)

(ii) Most - (ii)


XIII. (i) 18 cm

(ii) 10 cm

(iii) 12 cm

(i) 18 cm

 

XIV. (i) 150 m

(ii) 51 m

(iii) 4 m

(iv) 620 m

(v) 1.6 km

(vi) 14 cm

(vii) 12 m

(viii) 91 m


XV. 

Rectangle with Perimeter 16 cm


XVI. 


S.No.

Length

Breadth

Perimeter

(i)

22 mm

8 mm

60 mm

(ii)

16 m

13 m

58 m

(iii)

25 cm

75 cm

200 cm

(iv)

12 km

8 km

40 km

(v)

20 cm

5 cm

50 cm


XVII. (i) Square, 12 cm

(ii) Hexagon, 12 cm

(iii) Triangle, 15 cm

(iv) Rectangle, 16 cm

(v) Rhombus, 12 cm

(vi) Octagon, 8 cm


XVIII. (i) 36 cm

(ii) 50 cm

(iii) 16 cm, 16 cm

(iv) 13 cm, 52 cm

(v) 17 cm


XIX. (i) 25 cm.

(ii) 68 cm.

(iii) 100 cm.


XX. (i) 7 cm

(ii) 25

(iii) 23.2 cm


XXI. (i) 18 cm

(ii) 22 cm

(iii) 44 cm

(iv) 21 cm


XXII. Perimeter = 30 cm

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