English

Can you help me to figure out many pieces of 1.5 cm x 2 cm chocolate can I cut from a 18 cm x 18 cm sheet of chocolate? I Raju facing a problem. Can you help me?

Advertisements
Advertisements

Question

Sum
Advertisements

Solution

Number of pieces of cholocate

= `"Area of sheet of cholocate"/"Area of one chocolate"`

= `(18 xx 18)/(1.5 xx 2)`

= `324/3`

= 108

shaalaa.com
  Is there an error in this question or solution?
Chapter 9: Perimeter and Area - Exercise [Page 295]

APPEARS IN

NCERT Exemplar Mathematics Exemplar Class 7
Chapter 9 Perimeter and Area
Exercise | Q 123. | Page 295

RELATED QUESTIONS

The length and the breadth of a rectangular piece of land are 500 m and 300 m respectively. Find its area

 


The area of a square park is the same as of a rectangular park. If the side of the square park is 60 m and the length of the rectangular park is 90 m, find the breadth of the rectangular park.


A wire is in the shape of a rectangle. Its length is 40 cm and breadth is 22 cm. If the same wire is rebent in the shape of a square, what will be the measure of each side. Also find which shape encloses more area?


Trace your hand on the squared sheet on the page.
How will you decide whose hand is bigger-your hand or your friend’s hand?

What is the area of your hand? square cm.

What is the area of your friend’s hand? square cm.


Explain how the green area is 4 square cm and the yellow area is 6 square cm.


Area of a square is doubled if the side of the square is doubled.


Amita wants to make rectangular cards measuring 8 cm × 5 cm. She has a square chart paper of side 60 cm. How many complete cards can she make from this chart? What area of the chart paper will be left?


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:

  1. Write an expression for the total area covered by both the bedrooms and the kitchen.
  2. Write an expression to calculate the perimeter of the living room.
  3. 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.
  4. 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.
  5. If the floor area of each bedroom is 35 m2, then find x.

If a square has an area of 36 sq cm, what is the length of its side?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×