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प्रश्न
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?
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उत्तर
Number of children in one square meter
= `"Total Number of children"/ "Area of the floor"`
= `80/40`
= `1/2`
संबंधित प्रश्न
If ABCD is a parallelogram, then prove that
𝑎𝑟 (Δ𝐴𝐵𝐷) = 𝑎𝑟 (Δ𝐵𝐶𝐷) = 𝑎𝑟 (Δ𝐴𝐵𝐶) = 𝑎𝑟 (Δ𝐴𝐶𝐷) = `1/2` 𝑎𝑟 (||𝑔𝑚 𝐴𝐵𝐶𝐷) .
ABCD is a parallelogram whose diagonals AC and BD intersect at O. A line through O
intersects AB at P and DC at Q. Prove that ar (Δ POA) = ar (Δ QOC).
D is the mid-point of side BC of ΔABC and E is the mid-point of BD. if O is the mid-point
of AE, prove that ar (ΔBOE) = `1/8` ar (Δ ABC).
In the given figure, ABCD is a rectangle in which CD = 6 cm, AD = 8 cm. Find the area of parallelogram CDEF.
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Diagonal AC and BD of trapezium ABCD, in which AB || DC, intersect each other at O. The triangle which is equal in area of ΔAOD is
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(ii) Area ( ΔACD ) = 3 x Area ( ΔCGD )
(iii) Area ( ΔBGC ) = `1/3` x Area ( ΔABC ).
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Find the area of a rectangle whose length = 8.5 m breadth = 5 m.
Find the area of a square, whose side is: 4.5 cm.
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By counting squares, estimate the area of the figure.
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| Length | Breadth | Perimeter | Area |
| ? | 15 cm | 60 cm | ? |
Is the area of the blue shape more than the area of the yellow shape? Why?
Altogether how many squares can be arranged on it?
So the area of piece A = ________ square cm
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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 |
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.
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Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.
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Tick the one question which matches with the given problem.
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Find all the possible dimensions (in natural numbers) of a rectangle with a perimeter 36 cm and find their areas.
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