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प्रश्न
How is the unit of km2 related to the S.I. unit of area?
उत्तर
One square kilometer is the area of the square of each side 1 kilometer. Thus,
1 km2 = 1 km × 1 km = 1000 m × 1000 m =106 m2
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संबंधित प्रश्न
How is the unit of mm2 related to the S.I. unit of area?
State if the following statement is true or false. Correct the statement if it is false.
Area of an object is a fundamental physical quantity.
Which of the following is a derived quantity?
Match the following items.
| Column 1 | Column 2 | ||
| 1. | Area | a. | light year |
| 2. | Distance | b. | m3 |
| 3. | Density | c. | m2 |
| 4. | Volume | d. | kg |
| 5. | Mass | e. | kg/m3 |
Match the following items.
| Column 1 | Column 2 | ||
| 1. | Area | a. | g/cm3 |
| 2. | Length | b. | measuring jar |
| 3. | Density | c. | amount of a substance |
| 4. | Volume | d. | rope |
| 5. | Mass | e. | plane figures |
Use the analogy to fill in the blank
Area : m2 :: Volume : ______
Describe the graphical method to find the area of an irregularly shaped plane figure.
The formula to calculate area of a rectangle is ______.
______ is a derived quantity.
One square metre is the area enclosed inside a square of side 2 metre.
