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प्रश्न
Find the area of the following figure by counting squares:

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उत्तर
From the given figure, we observe
| Covered Area | Number | Area estimate (square units) |
| Fully filled squares | 8 | 8 |
| Half filled squares | – | – |
| More than half-filled squares | 10 | 10 |
| Less than half-filled squares | 9 | 0 |
Therefore total area = 8 + 10 = 18 square units.
संबंधित प्रश्न
A point D is taken on the side BC of a ΔABC such that BD = 2DC. Prove that ar(Δ ABD) =
2ar (ΔADC).
In square ABCD, P and Q are mid-point of AB and CD respectively. If AB = 8cm and PQand BD intersect at O, then find area of ΔOPB.
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.
If AD is median of ΔABC and P is a point on AC such that
ar (ΔADP) : ar (ΔABD) = 2 : 3, then ar (Δ PDC) : ar (Δ ABC)
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
The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| ? | 15 cm | 60 cm | ? |
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| Square cm |
Square meter |
Square km |
|
| Handkerchief | ✓ | ||
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| 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.
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