हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

The Length and the Breadth of a Rectangular Plot Are 135 M and 65 M. Find, Its Perimeter and the Cost of Fencing It at the Rate of ₹60 per M. - Mathematics

Advertisements
Advertisements

प्रश्न

The length and the breadth of a rectangular plot are 135 m and 65 m. Find, its perimeter and the cost of fencing it at the rate of ₹60 per m.

योग
Advertisements

उत्तर

Given:
Length (l) = 135 m
Breadth (b) = 65 m

Perimeter = 2 (l + b)
= 2 (135 + 65)
= 2 (200)
= 400 m

∴ Perimeter of rectangular plot is = 400 m

Cost of fencing per m = ₹60

∴ Cost of fencing 400 m = ₹60 × 400 m = ₹24000

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 20: Mensuration - Exercise 20 (A)

APPEARS IN

सेलिना Concise Mathematics [English] Class 7 ICSE
अध्याय 20 Mensuration
Exercise 20 (A) | Q 1

संबंधित प्रश्न

A square and a rectangular field with measurements as given in the figure have the same perimeter. Which field has a larger area?


Mrs. Kaushik has a square plot with the measurement as shown in the following figure. She wants to construct a house in the middle of the plot. A garden is developed around the house. Find the total cost of developing a garden around the house at the rate of Rs 55 per m2.


The shape of a garden is rectangular in the middle and semi circular at the ends as shown in the diagram. Find the area and the perimeter of the garden [Length of rectangle is 20 − (3.5 + 3.5) metres]


A flooring tile has the shape of a parallelogram whose base is 24 cm and the corresponding height is 10 cm. How many such tiles are required to cover a floor of area 1080 m2? (If required you can split the tiles in whatever way you want to fill up the corners).


A plot is in the form of a rectangle ABCD having semi-circle on BC as shown in Fig. 20.23. If AB = 60 m and BC = 28 m, find the area of the plot.


A playground has the shape of a rectangle, with two semi-circles on its smaller sides as diameters, added to its outside. If the sides of the rectangle are 36 m and 24.5 m, find the area of the playground. (Take π = 22/7).


Find the area of Fig. 20.25, in square cm, correct to one place of decimal. (Take π = 22/7)


The length and breadth of the rectangular piece of land area in the ratio of 5 : 3. If the total cost of fencing it at the rate of ₹48 per metre is ₹19,200, find its length and breadth.


The area of a parallelogram is 60 cm2 and one of its altitudes is 5 cm. The length of its corresponding side is ______.


The interior of the rectangle, along with its boundary, is called the:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×