16. The perimeter of a rectangular field is 500 m and its length = 150

1.	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 ofthe 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 persquare metre.18. The length of a rectangle is three times its breadth. If the area of the rectangle is1875 sq. cm, find its perimeter.
Answer» 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

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 ofthe 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 persquare metre.18. The length of a rectangle is three times its breadth. If the area of the rectangle is1875 sq. cm, find its perimeter.

Answer»

Answer:

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