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A running track has 2 semicircular ends ...

A running track has 2 semicircular ends of radius 63 m and two straight lengths. The perimeter of the track is 1000 m. Find each straight length.

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NCERT EXEMPLAR-MENSURATION-EXERCISES
  1. The areas of two circles are in the ratio 49:64. Find the ratio of the...

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  2. There is a circular pond and foot-path runs along its boundary. A m...

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  3. A running track has 2 semicircular ends of radius 63 m and two straigh...

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  4. Find the perimeter of the given figure.

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  5. A bicycle wheel makes 500 revolutions in moving 1 km. Find the diamete...

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  6. A boy is cycling such that the wheels of the cycle are making 140 r...

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  7. Find the length of the largest pole that can be placed in a room of di...

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  8. Find the area of the following fields. All dimensions are in metres.

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  9. Find the area of the following fields. All dimensions are in metres.

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  10. Find the area of the shaded portion in the following figures.

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  11. Find the area of the shaded portion in the following figures.

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  12. Find the area of the shaded portion in the following figures.

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  13. Find the area of the shaded portion in the following figures.

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  14. Find the area of the shaded portion in the following figures.

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  15. Find the area of the shaded portion in the following figures.

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  16. Find the area of the shaded portion in the following figures.

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  17. Find the area of the following figures.

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  18. Find the volume of each of the given figure if volume = base area × he...

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  19. A cube of side 5 cm is cut into as many 1 cm cubes as possible. What i...

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  20. A square sheet of paper is converted into a cylinder by rolling it alo...

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