Advertisements
Advertisements
Question
Find the area of a square park whose perimeter is 320 m.
Advertisements
Solution
Perimeter = 320 m
4 × Length of the side of park = 320
Length of the side of park = `320/4 = 80 m`
Area = (Length of the side of park)2 = (80)2 = 6400 m2
RELATED QUESTIONS
Find the breadth of a rectangular plot of land, if its area is 440 m2 and the length is 22 m. Also find its perimeter.
The table given below contains some measures of the square. Find the unknown values.
| Side | Perimeter | Area |
| ? | ? | 49 sq.feet |
Rectangular wall MNOP of a kitchen is covered with square tiles of 15 cm length (see figure). Find the area of the wall.
A wire is cut into several small pieces. Each of the small pieces is bent into a square of side 2 cm. If the total area of the small squares is 28 square cm, what was the original length of the wire?
The area of each square on a chess board is 4 sq cm. Find the area of the board.
- At the beginning of game when all the chess men are put on the board, write area of the squares left unoccupied.
- Find the area of the squares occupied by chess men.
Find the area and perimeter of the following figure, if area of small square is 1 sq cm.
What is the area of each small square in the following figure. if the area of entire figure is 96 sq cm. Find the perimeter of the figure.
Study the layout given in the following figure and answer the questions:
- Write an expression for the total area covered by both the bedrooms and the kitchen.
- Write an expression to calculate the perimeter of the living room.
- If the cost of carpeting is ₹ 50/m2, write an expression for calculating the total cost of carpeting both the bedrooms and the living room.
- If the cost of tiling is ₹ 30/m2, write an expression for calculating the total cost of floor tiles used for the bathroom and kitchen floors.
- If the floor area of each bedroom is 35 m2, then find x.
A square plot has each side measuring 4.5 cm. What is its area?
