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

A point D is taken on the side BC of a ΔABC such that BD = 2DC. Prove that ar(Δ ABD) =
2ar (ΔADC).
ABCD is a parallelogram in which BC is produced to E such that CE = BC. AE intersects
CD at F.
(i) Prove that ar (ΔADF) = ar (ΔECF)
(ii) If the area of ΔDFB = 3 cm2, find the area of ||gm ABCD.
ABCD is a parallelogram. E is a point on BA such that BE = 2 EA and F is a point on DC
such that DF = 2 FC. Prove that AE CF is a parallelogram whose area is one third of the
area of parallelogram 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).

P is any point on base BC of ΔABC and D is the mid-point of BC. DE is drawn parallel toPA to meet AC at E. If ar (ΔABC) = 12 cm2, then find area of ΔEPC.
The median of a triangle divides it into two ______.
The area of the figure formed by joining the mid-points of the adjacent sides of a rhombus with diagonals 16 cm and 12 cm is
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
The diagonal of a rectangular board is 1 m and its length is 96 cm. Find the area of the board.
The length and breadth of a rectangular piece of land are in the ratio 5 : 3. If the total cost of fencing it at the rate of ₹24 per meter is ₹9600, find its :
(i) length and breadth
(ii) area
(iii) cost of levelling at the rate of ₹60 per m2.
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
Each side of a square is 7 m. If its each side be increased by 3 m, what will be the increase in its area.
By counting squares, estimate the area of the figure.

The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| ? | 15 cm | 60 cm | ? |
Parth and Gini bought aam papad (dried mango slice) from a shop. Their pieces looked like these. Both could not make out whose piece was bigger.


- Suggest some ways to find out whose piece is bigger. Discuss
This stamp has an area of 4 square cm. Guess how many such stamps will cover this big rectangle.

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

Area of a rectangle with length 5 cm and breadth 3 cm is ______.
An engineer who plans to build a compound wall on all sides of a house must find the area of the compound.
Is the area of both your footprints the same?
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:

Which unit is used to express area?
