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Find the area of a circle whose diameter...

Find the area of a circle whose diameter is (a)8.4 cm    (b) 5.6 m (c)7 km

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RD SHARMA-MENSURATION-2-All Questions
  1. P Q R S is a diameter of a circle of radius 6 cm. The lengths P Q ,...

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

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

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

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

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

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  7. If the area of a circle is 50. 24\ m^2 , find its circumference.

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  8. A horse is tied to a pole with 28 m long string. Find the area wher...

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  9. A steel wire when bent in the form of a square encloses an area of ...

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  10. A road which is 7 m wide surrounds a circular park whose circumfere...

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  11. Prove that the area of a circular path of uniform width h surroundi...

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  12. The perimeter of a circle is4pir\ c mdot What is the area of the circl...

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  13. A wire of 5024 m length is in the form of a square. It is cut and m...

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  14. The radius of a circle is 14 cm. Find the radius of the circle whose ...

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  15. The radius of one circular field is 20 m and that of another is 48 ...

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  16. The radius of one circular field is 5 m and that of the other is 13...

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  17. Two circles are drawn inside a big circle with diameters2/3r d and1/...

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  18. In Fig. 19, the radius of quarter circular plot taken is 2 m and ra...

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  19. Four equal circles, each of radius 5cm, touch each other as shown in ...

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  20. The area of circle is 100 times the area of another circle. What is...

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