Advertisements
Advertisements
प्रश्न
A game requires its players to run around a square playground. Each side of the playground is 20 m long. One player took 5 rounds around the playground. How many metres did he run altogether?
Advertisements
उत्तर
The perimeter of a square
= 4 × length of one side
= 4 × 20
= 80 m
In one round 80 m.
So in 5 round = 80 × 5 = 400
= 400 m
∴ He runs altogether = 400 m.
संबंधित प्रश्न
Each side of a square field is 70 cm. How much distance will a boy walk in order to make?
(i) one complete round of this field?
(ii) 8 complete rounds of this field?
A school playground is rectangular in shape with length = 120 m and breadth = 90 m. Some school boys run along the boundary of the play-ground and make 15 complete rounds in 45 minutes. How much distance they run during this period.
A rectangular piece of paper has area = 24 cm² and length = 5 cm. Find its perimeter.
The cost of flooring a hall of ₹64 per square meter is ₹2,048. If the breadth of the hall is 5m, find:
(i) 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 meter.
An athlete takes 10 rounds of a rectangular park, 50 m long and 25 m wide. Find the total distance covered by him.
If the length of a rectangle is 20 m and its width is 12 m, what is its perimeter?
Length and breadth of a rectangular sheet of paper are 20 cm and 10 cm, respectively. A rectangular piece is cut from the sheet as shown in the following figure. Which of the following statements is correct for the remaining sheet?
The length of a rectangular field is twice its breadth. Jamal jogged around it four times and covered a distance of 6 km. What is the length of the field?
An increase in perimeter of a figure always increases the area of the figure.
A rectangle has length 15 cm and breadth 9 cm. What is its perimeter?
