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Find the area of a circle whose radius i...

Find the area of a circle whose radius is 2.1 m.

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The correct Answer is:
`13.86" m"^(2)`
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PEARSON IIT JEE FOUNDATION-MENSURATION-TEST YOUR CONCEPTS (Short answer Type Questions)
  1. Find the perimeter of a rectangle whose length is 9 cm and breadth is ...

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  2. Find the length of the rectangle whose area is "120 cm"^(2) and breadt...

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  3. Find the area of a circle whose radius is 2.1 m.

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  4. The area of a parallelogram is 144 cm^(2) and its height is 18 cm. Fin...

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  5. The area of a rectangular ground is 120m^(2) and its length is 12 m. F...

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  6. Find the total surface area of a cube whose edge is 8 cm.

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  7. Find the volume of a cube whose edge is 10 cm.

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  8. Find the total surface area of a cuboid of length 10 m, breadth 7 m, a...

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  9. The total surface area of a cube is "726 m"^(2). Find its edge.

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  10. Find the perimeter of the figure given below.

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  11. From a circular aluminium sheet of radius 14 cm, a sector of angle 45^...

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  12. The area of top face of a book, in the shape of a square, is 225 cm^(2...

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  13. The area of a square field is 16 hectares. Find the cost of fencing it...

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  14. A rectangular playground is 35 m long and 15 m broad. Find the cost of...

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  15. The volume of a cube is 343 cm^(3). Find its total surface area.

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  16. Find the area of aluminium sheet required to make a closed box of 4 m ...

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  17. If the radius of a wheet is 35 cm, then find how many times it should ...

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  18. The floor dimensions of a conference hall are 100 ft xx 20 ft. Find th...

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  19. Find the length of an arc of a sector whose central angle is 45^(@) an...

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  20. The base and the corresponding height of a parallelogram are 24 cm x c...

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