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Circular foot path of 2 metres is constr...

Circular foot path of 2 metres is constructed at the rate of Rs. 20 per m2 around a circular park of radius 1500 m. Find the total cost of construction of the foot path.

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MBD-Areas of Plane Figures.-Exercise
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  5. The length of minute hand clock is 14 cm. Find the area covered by the...

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  6. The radius of the circle is 14 m. Find the radius of another circle wh...

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  7. The diameter of a semi circular protector is 14 cm. Find its perimeter

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  8. A wire is in the form of a circle of radius 42 cm. It is converted int...

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  9. A mirror is fitted into four circular windows of radius 28 cm. Find th...

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  10. The area of a rectangular floor of side 40 m is 960 m^2. The carpets o...

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  11. To cover the rectangular field with grass at the rate of 85 paise per ...

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  12. The ratio of length and breadth of a rectangular field is 7 : 4. A pat...

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  13. ABCP is one-fourth of the circle whose radiusis 14 cm. Taking AC is di...

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  14. A copper wire is bent in the form of a square whose area is 484 m2. If...

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  15. Every side of a square park is 100 m wide. At every comer of the park ...

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  16. ABCD is a flower bed. If OA = 21 m and OC = 14 m, then find the area o...

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  17. The radii of two circles are 16 cm and 12 cm respectively. Find the ra...

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  18. The area of field which is circular is 3218 2/7 m^2. Find the cost of...

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  19. The wheels of a car are diameter 70 cm each. How many complete revolut...

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  20. Circular foot path of 2 metres is constructed at the rate of Rs. 20 pe...

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