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So the area of piece A = ________ square cm

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प्रश्न

So the area of piece A = ________ square cm

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उत्तर

So the area of piece A = 30 square cm

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अध्याय 11: Area and its Boundary - Area and its Boundary [पृष्ठ १४७]

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एनसीईआरटी Math - Magic [English] Class 5
अध्याय 11 Area and its Boundary
Area and its Boundary | Q 1.3 | पृष्ठ १४७

संबंधित प्रश्न

Let ABCD be a parallelogram of area 124 cm2. If E and F are the mid-points of sides AB and
CD respectively, then find the area of parallelogram AEFD.


In the below fig. ABCD is a trapezium in which AB = 7 cm, AD = BC = 5 cm, DC = x cm,
and distance between AB and DC is 4cm. Find the value of x and area of trapezium ABCD.


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, find the area of ΔGEF.

 

ABCD is a parallelogram. P is the mid-point of AB. BD and CP intersect at Q such that CQ: QP = 3.1. If ar (ΔPBQ) = 10cm2, find the area of parallelogram ABCD.


P is any point on base BC of ΔABC and D is the mid-point of BCDE is drawn parallel toPA to meet AC at E. If ar (ΔABC) = 12 cm2, then find area of ΔEPC


If AD is median of ΔABC and is a point on AC such that
ar (ΔADP) : ar (ΔABD) = 2 : 3, then ar (Δ PDC) : ar (Δ ABC)


ABCD is a trapezium in which AB || DC. If ar (ΔABD) = 24 cm2 and AB = 8 cm, then height of ΔABC is


ABCD is a rectangle with O as any point in its interior. If ar (ΔAOD) = 3 cm2 and ar (ΔABOC) = 6 cm2, then area of rectangle ABCD is


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


Find the area of a rectangle whose length = 8.5 m breadth = 5 m.


Find the area of a rectangle whose length = 3.6 m breadth = 90 cm


Find the area of a square, whose side is: 7.2 cm.


Find the area of a square, whose side is: 4.5 cm.


Altogether how many squares can be arranged on it?


Who had the bigger piece? How much bigger?


What is the area of the rectangle? ________ square cm


Measure the length of the floor of your classroom in meters. Also, measure the width.

  • So how many children can sit in one square meter?

Nasreena is a farmer who wants to divide her land equally among her three children — Chumki, Jhumri, and Imran. She wants to divide the land so that each piece of land has one tree. Her land looks like this.

  • Can you divide the land equally? Show how you will divide it. Remember each person has to get a tree. Colour each person’s piece of land differently.

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


Look at the table. If you were to write the area of each of these which column would you choose? Make a (✓).

  Square
cm
Square
meter
Square
km
Handkerchief    
Sari      
Page of your book      
School land      
Total land of a city      
Door of your classroom      
Chair seat      
Blackboard      
Indian flag      
Land over which a river flows      

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?  

Measure the length of the floor of your classroom in meters. Also measure the width.

  • If you want to move around easily then how many children do you think should be there in one square meter?

In the following figure, the area of parallelogram ABCD is ______.


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?


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