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.
Answers:
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
● To Measure the Length of a Linesegment
● Examples on Unit of Mass or Weight
● Units for The Measurement of Capacity
● Examples on Measurement of Capacity
● Antemeridian (a.m.) or Postmeridian (p.m.)
● Calendar
● Reading and Interpreting a Calendar
4th Grade Math Activities
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