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

Find the area of a circle of diameter 7 cm.

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RD SHARMA-MENSURATION-2-All Questions
  1. An ox in a kolhu (an oil processing apparatus) is tethered to a rop...

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

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

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

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

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

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

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  8. 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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  9. Find the area of the shaded region given in Fig. 12.72.

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

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

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

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

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

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

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

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  17. Find the area of a circle whose diameter is (a)8.4 cm    (b) 5.6 m (c)...

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  18. The area of a circle is 154 c m^2dot Find the radius of the circle.

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  19. Find the radius of a circle, if its area is (a)4\ pi\ c m^2 (b) 55. 4...

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  20. The circumference of a circle is 3.14 m, find its area.

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