Advertisements
Advertisements
प्रश्न
The area of a rectangle is 102 sqcm. If its length is 17 cm, what is its perimeter?
Advertisements
उत्तर
Area of rectangle = l × b
102 = 17 × b
b = `102/17 = 6` cm
Perimeter of rectangle = 2(l + b)
= 2(17 + 6)
= 2 × 23
= 46 cm
∴ The Perimeter of the rectangle is 46 cm.
संबंधित प्रश्न
If the length of a rectangle is 15 cm and breadth is 5 cm, find its area.
The length of a rectangular park is 14 m more than its breadth. If the perimeter of the park is 200 m, what is its length? Find the area of the park
Find the area of the following rectangle
length = 7 m and breadth = 4 m
Find the area of the following rectangle
length = 8 cm and breadth = 5 cm
The side of a square is 6 cm. The length of a rectangle is 10 cm and its breadth is 4 cm. Find the perimeter and area of both the square and rectangle
By splitting the following figure into rectangles, find their areas (The measures are given in centimetres).

Area of shaded portion in the following figure is ______.

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?
Ramesh grew wheat in a rectangular field that measured 32 metres long and 26 metres wide. This year he increased the area for wheat by increasing the length but not the width. He increased the area of the wheat field by 650 square metres. What is the length of the expanded wheat field?
4 squares each of side 10 cm have been cut from each corner of a rectangular sheet of paper of size 100 cm × 80 cm. From the remaining piece of paper, an isosceles right triangle is removed whose equal sides are each of 10 cm length. Find the area of the remaining part of the paper.
