## ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 14 Mensuration Ex 14.1

Question 1.

Find the perimeter of each of the following figures:

Solution:

Question 2.

Find the perimeter of each of the following shapes:

(i) A triangle of sides 3 cm, 4 cm and 6 cm.

(ii) A triangle of sides 7 cm, 5.4 cm and 10.2 cm.

(iii) An equilateral triangle of side 11 cm.

(iv) An isosceles triangle with equal sides 10 cm each and third side 7 cm.

Solution:

Question 3.

The lid of a rectangular box of sides 40 cm by 10 cm is sealed all round with tape. What is the length of the tape required?

Solution:

Question 4.

Table-Top measures 2 m 25 cm by 1 m 50 cm. What is the perimeter of the table-top?

Solution:

Question 5.

A rectangular piece of land measures 0.7 km by 0.5 km. Each side is to be fenced with 4 rows of wires. What is the length of the wire needed?

Solution:

Question 6.

Find the perimeter of a regular hexagon with each side measuring 7.5 m.

Solution:

Question 7.

The lengths of two sides of a triangle are 12 cm and 14 cm. The perimeter of the triangle is 36 cm. What is the length of its third side?

Solution:

Question 8.

The perimeter of a regular pentagon is 100 cm. How long is its every side?

Solution:

Question 9.

A piece of string is 30 cm long. What will be the length of each side if the string is used to form:

(a) a square?

(b) an equilateral triangle?

(c) a regular hexagon?

Solution:

Question 10.

Find the cost of fencing a rectangular park of length 225 m and breadth 115 m at the rate of ₹13 per metre.

Solution:

Question 11.

Meera went to a rectangular park 140 m long and 90 m wide. She took 5 complete rounds on its boundary. What is the distance covered by her?

Solution:

Question 12.

Pinky runs 8 times around a rectangular park with length 80 m and breadth 55 m while Pankaj runs 7 times around a square park of side 75 cm. Who covers more distance and by how much?

Solution: