English

Cheggu’s wife asked him to make a circle with the wire. She knew it had an area of 800 square meters. Why did Cheggu not choose a rectangle? Explain.

Advertisements
Advertisements

Question

Cheggu’s wife asked him to make a circle with the wire. She knew it had an area of 800 square meters.

  • Why did Cheggu not choose a rectangle? Explain.
One Line Answer
Advertisements

Solution

Because none of the rectangle will have an area of 800 square meter.

shaalaa.com
  Is there an error in this question or solution?
Chapter 11: Area and its Boundary - Area and its Boundary [Page 157]

APPEARS IN

NCERT Mathematics Math - Magic [English] Class 5
Chapter 11 Area and its Boundary
Area and its Boundary | Q 12.3 | Page 157

RELATED QUESTIONS

Compute the area of trapezium PQRS is Fig. below.


In the below fig. ∠AOB = 90°, AC = BC, OA = 12 cm and OC = 6.5 cm. Find the area of
ΔAOB.


Diagonals AC and BD of a quadrilateral ABCD intersect each other at P. Show that:
ar(ΔAPB) × ar(ΔCPD) = ar(ΔAPD) × ar (ΔBPC)


A point D is taken on the side BC of a ΔABC such that BD = 2DC. Prove that ar(Δ ABD) =
2ar (ΔADC).


In below fig., PSDA is a parallelogram in which PQ = QR = RS and AP || BQ || CR. Prove
that ar (Δ PQE) = ar (ΔCFD).


In the below fig. X and Y are the mid-points of AC and AB respectively, QP || BC and
CYQ and BXP are straight lines. Prove that ar (Δ ABP) = ar (ΔACQ).


In the given figure, ABCD and FECG are parallelograms equal in area. If ar (ΔAQE) = 12 cm2, then ar (||gm FGBQ) = 


The medians of a triangle ABC intersect each other at point G. If one of its medians is AD,
prove that:
(i) Area ( ΔABD ) = 3 x Area ( ΔBGD )
(ii) Area ( ΔACD ) = 3 x Area ( ΔCGD )
(iii) Area ( ΔBGC ) = `1/3` x Area ( ΔABC ).


Find the area of a rectangle whose length and breadth are 25 m and 16 cm.


Find the area of a rectangle whose length = 15 cm breadth = 6.4 cm


The side of a square field is 16 m. What will be increase in its area, if each of its sides is doubled?


Find the area and perimeter of the following parallelograms


The table given below contains some measures of the rectangle. Find the unknown values.

Length Breadth Perimeter Area
? 15 cm 60 cm ?

So the area of piece A = ________ square cm


In the same way, find the area of piece B.


If each square on this page is equal to 1 square meter of land, how much land will each of her children get? ________ square m


The King was very happy with carpenters Cheggu and Anar. They had made a very big and beautiful bed for him. So as gifts the king wanted to give some land to Cheggu, and some gold to Anar. Cheggu was happy. He took 100 meters of wire and tried to make different rectangles.

He made a 10 m × 40 m rectangle. Its area was 400 square meters. So he next made a 30 m × 20 m rectangle.

  • What is its area? Is it more than the first rectangle?

Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.

  • A shopkeeper has 50 boxes. There are 48 fruits in one box.
    Tick the one question which matches with the given problem.
    a) How much will the shopkeeper pay in all?  
    b) How many fruits are there in all?
    c) How many more boxes will he need?  
    Explain why (a) and (c) are not good choices.

Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.

  • A shopkeeper has 204 eggs. He puts them in egg trays. Each tray has 12 eggs.
    a) How many more eggs will he need?  
    b) How many fresh eggs does he sell?  
    c) How many egg trays does he need?  

Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.

  • The cost of one book is Rs 47. Sonu buys 23 books.
    a) How much money does she have?  
    b) How much money does she pay for the books?  
    c) What is the cost of 47 books?  

Find the area of the following figure by counting squares:


Find the area of the following figure by counting squares:


Find the area of the following figure by counting squares:


Find the area of the following figure by counting squares:


What is the area of a closed shape?


Which unit is used to express area?


Which statement correctly describes how area is determined?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×