16. The perimeter of a rectangular field is 500 m and its length = 150 m. Find :
(1) its breadth.
(ii) its area.
(ii) cost of ploughing the field at the rate of 7 1.20 per square metre.
17. The cost of flooring a rectangular hall at 64 per square metre is * 2,048. If the breadth of
the hall is 5 m, find :
(1) its length.
(ii) its perimeter.
(iii) cost of fixing a border of very small width along its boundary at the rate of 60 per
square metre.
18. The length of a rectangle is three times its breadth. If the area of the rectangle is
1875 sq. cm, find its perimeter.
Answers
Answer:
Question 17.
A rectangle with length = 18 cm and breadth = 12 cm has same perimeter as that of a regular pentagon. Find the side of the pentagon.
Solution:
Middle School Mathematics Selina Publishers for Class 6 Solutions Chapter 32 Perimeter and Area of Plane Figures 17
Question 18.
A regular pentagon of each side 12 cm has same perimeter as that of a regular hexagon. Find the length of each side of the hexagon.
Solution:
Middle School Mathematics Selina Publishers for Class 6 Solutions Chapter 32 Perimeter and Area of Plane Figures 18
Answer:
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Step-by-step explanation:
Answer:
Question 17.
A rectangle with length = 18 cm and breadth = 12 cm has same perimeter as that of a regular pentagon. Find the side of the pentagon.
Solution:
Middle School Mathematics Selina Publishers for Class 6 Solutions Chapter 32 Perimeter and Area of Plane Figures 17
Question 18.
A regular pentagon of each side 12 cm has same perimeter as that of a regular hexagon. Find the length of each side of the hexagon.
Solution:
Middle School Mathematics Selina Publishers for Class 6 Solutions Chapter 32 Perimeter and Area of Plane Figures 18.