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A water sprinkler in a lawn sprays water...

A water sprinkler in a lawn sprays water as far as 7 m in all directions. Find the length of the outer edge of wet grass.

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RD SHARMA-MENSURATION-2-All Questions
  1. A boy is cycling such that the wheels of the cycle are making 140 r...

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  2. The diameter of the driving wheel of a bus is 140 cm. How many revo...

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  3. A water sprinkler in a lawn sprays water as far as 7 m in all direc...

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  4. A well of diameter 150 cm has a stone parapet around it. If the len...

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  5. An ox in a kolhu (an oil processing apparatus) is tethered to a rop...

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  6. Find the area of a circle of radius 4.2 cm

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  7. Find the area of a circle of diameter 7 cm.

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  8. The circumference of a circle is 44 cm. Find its area.

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  9. The area of a circle is 616 c m^2dot Find the radius of the circle.

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  10. A copper wire, when bent in the form of a square, encloses an area ...

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  11. A circular grassy plot of land, 42 m in diameter, has a path 3.5 m ...

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  12. A paper is in the form of a rectangle A B C D in which A B=20\ c m and...

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  13. Find the area of the shaded region given in Fig. 12.72.

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  14. The circumferences of two circles are in the ratio 2: 3. Find the r...

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  15. The areas of two circles are in the ratio 16 : 25. Find the ratio of t...

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  16. A square park has each side of 100 m. At each corner of the park, t...

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  17. Four equal circles are described about the four corners of a square...

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  18. A horse is placed for grazing inside a rectangular field 70 m by 52...

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  19. P Q R S is a diameter of a circle of radius 6 cm. The lengths P Q ,...

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  20. Find the area of a circle whose radius is (a)7 cm    (b) 2.1 m (c)...

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