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Figure depicts a racking track whose lef...

Figure depicts a racking track whose left and right ends are semicircular.

The distance between the two inner parallel line segments is 60 m and they are each 106 m long. If the track is 10 m wide, find
the area of the track.

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The correct Answer is:
`4320m^(2)`
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Figure depicts a racking track whose left and right ends are semicircular. The distance between the two inner parallel line segments is 60 m and they are each 106 m long. If the track is 10 m wide, find the distance around the track along its inner edge.

Fig. depicts a racing track whose left and right ends are semicircular. The distance between the two inner parallel line segments is 60 m and they are each 106 m long. If the track is 10 m wide, find the distance around the track along its inner edge and the area of the track.

The area of a trapezium shaped field is 480 m^2 , the distance between two parallel sides is 15 m and one of the parallel side is 20 m. Find the other parallel side.

A parallelogram, the length of whose side are 60 cm and 25 cm has one diagonal 65 m long . Find the area of the parallelogram.

The radius of curvature of a railway track at a place where the train is moving at a speed of 72 km h^-1 is 625 m.The distance between the rails is 1.5 m.Find the angle and the elevation of the outer rail so that there may be no side pressure on the rails. (g=9.8 m s^(-2)) .

A field is in the shape of a trapezium whose parallel sides are 25m and 10m. The non-parallel sides are 14m and 13 m. Find the area of the field.

The radius of curvature of a railway line at a place is 40000m.the train is running at 20 m s^-1 .the distance between the two rails is 1.5 m.Find the elevation of the outer rail over the inner one so that the train may be able to run safely.

Two long straight conducors are placed parallel at a distance of 2 cm form each other. When one of them caries a current of 60 A, the force on 1 m length of the other is 1,200 dyne. Calculate current in the other.

NAND LAL PUBLICATION-AREAS RELATED TO CIRCLES -EXERCISE 12.3
  1. Find the area of the shaded region in Fig., if PQ = 24 cm, PR = 7 cm a...

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  2. Find the area of the shaded region in Fig. 12.20, if radii of the two ...

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  3. Find the area of the shaded region in fig, if ABCD is a square o fside...

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  4. Find the area of the shaded region in fig., where a circular arc of ra...

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  5. From each corner of a square ofside 4 cm a quadrant of a circle of rad...

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  6. In a circular table cover of radius 32cm, a design is formed leaving a...

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  7. In fig., ABCD is a square of side 14 cm. With centres A, B, C and D, f...

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  8. Figure depicts a racking track whose left and right ends are semicircu...

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  9. Figure depicts a racking track whose left and right ends are semicircu...

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  10. In Fig. 12.27, AB and CD are two diameters of a circle (with centre O)...

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  11. The area of an equilateral triangle ABC is 17320.5 cm^(2). With each v...

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  12. On a square handkerchief, nine circular designs each of radius 7 cm ar...

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  13. In figure, OACB is a quadrant of a circle 3.5 cm. OD = 2 cm, find the ...

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  14. In figure, OACB is a quadrant of a circle 3.5 cm. OD = 2 cm, find the ...

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  15. In Fig. 12.31, a square OABC is inscribed in a quadrant OPBQ. If OA = ...

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  16. AB and CD are respectively arcs of two concentric circles of radii 21 ...

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  17. In fig., ABC is a quadrant of a circle of radius 14 cm and a semi circ...

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  18. Calculate the area of the designed region in fig. common between the t...

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