Advertisements
Advertisements
Question
Each side of a square tile is 60 cm. How many tiles will be required to cover the floor of a hall with length = 50 m and breadth = 36 m.
Advertisements
Solution
Area of each square tile = (side)2
= (60 cm)2 = (0.6 m)2
= 0.6 m × 0.6 m = 0.36 m2
And, area to be covered by the tiles = length × breadth
= 50 m × 36 m
= 1800 m2
∴ Required no. of tiles
=`"Area to be covered by tiles"/"Area of each tiles"`
`= (1800 "m"^2)/(0.36 "m"^2) = 5000`
APPEARS IN
RELATED QUESTIONS
The length and the breadth of a rectangular field are in the ratio 5: 4 and its area is 3380 m2. Find the cost of fencing it at the rate of ₹75 per m.
Find the perimeter of a rectangle whose:
length = 10 m and breadth = 8 m
Find the perimeter of an equilateral triangle of side 9.8 cm.
Each rectangular tile is 40 cm long and 30 cm wide. How many tiles will be required to cover the floor of a room with length = 4.8 m and breadth = 2.4 m.
Sanju completes 12 rounds around a square park every day. If one side of the park is 120 m, find out in kilometres and metres the distance that Sanju covers daily.
Look at the figures on the sheet of graph paper. Measure their sides with the help of the lines on the graph paper. Write the perimeter of each in the right box.
- Perimeter of rectangle ABCD = ______ cm.
- Perimeter of rectangle EFGH = ______ cm.
- Perimeter of square PQRS = ______ cm.
- Perimeter of rectangle STUV = ______ cm.
If every side of a rectangle is doubled, then its area becomes _______ times
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?
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?
Why is the perimeter of a rectangle calculated as 2 × (length + breadth)?
