Advertisements
Advertisements
प्रश्न
The side of a square is 4 cm. The length of a rectangle is 8 cm and its width is 2 cm. Find the perimeter and area of both figures.
Advertisements
उत्तर
Perimeter of a square = 4 x side
= 4 × 4
= 16 cm
Area of a square = side x side
= 4 × 4
= 16 sq.cm.
Perimeter of a rectangle
= 2 × length + 2 × breadth
= 2 × 8 + 2 × 2
= 16 + 4
= 20 cm
Area of a rectangle= length x breadth
= 8 × 2
= 16 sq.cm.
संबंधित प्रश्न
If the side of a square is tripled, how many times will its area be as compared to the area of the original square?
The area of a rectangular garden of length 40 m, is 1000 sqm. Find the breadth of the garden and its perimeter. The garden is to be enclosed by 3 rounds of fencing, leaving an entrance of 4 m. Find the cost of fencing the garden at a rate of 250 rupees per metre.
Find the area of a rectangle whose length and breadth are 12 cm and 4 cm respectively.
If length of a rectangle is halved and breadth is doubled then the area of the rectangle obtained remains same.
Find the area of the rectangle whose sides are:
2 m and 70 cm
What is the cost of tiling a rectangular plot of land 500 m long and 200 m wide at the rate of ₹ 8 per hundred sq m.?
Priyanka took a wire and bent it to form a circle of radius 14 cm. Then she bent it into a rectangle with one side 24 cm long. What is the length of the wire? Which figure encloses more area, the circle or the rectangle?
A carpet of size 5 m × 2 m has 25 cm wide red border. The inner part of the carpet is blue in colour (see figure). Find the area of blue portion. What is the ratio of areas of red portion to blue portion?
Use the following figure, showing the layout of a farm house:
- What is the area of land used to grow hay?
- It costs ₹ 91 per m2 to fertilise the vegetable garden. What is the total cost?
- A fence is to be enclosed around the house. The dimensions of the house are 18.7 m × 12.6 m. At least how many metres of fencing are needed?
- Each banana tree required 1.25 m2 of ground space. How many banana trees can there be in the orchard?
A rectangle has an area of 48 sq cm and breadth of 4 cm. What is its length?
