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Find to the three places of decimal the radius of the circle whose area is the sum of the areas of two triangles whose sides are 35, 53, 66 and 33, 56, 65 measured in centimetres.

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RD SHARMA ENGLISH-AREAS RELATED TO CIRCLES-All Questions
  1. ABC is an equilateral triangle of side 8cm. A, B and C are the centr...

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  2. In figure, find the area of the shaded region [U s epi=3. 14]

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  3. Find to the three places of decimal the radius of the circle whose are...

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  4. Find the area of a shaded region in the figure, where a circular arc o...

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  5. Figure, shows a kite in which BCD is the shape of a quadrant of a c...

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

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  7. From each of the two opposite corners of a square of side 8cm, a qu...

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  8. The diagram shown two arcs, A and B. Arc A is part of the circle with ...

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

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  10. The inner circumference if a circular track is 220m. The track is 7m ...

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  11. A boy is cycling such that the wheels of the cycle are making 140 r...

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  12. The diameter of the driving wheel of a bus is 140cm. How many revol...

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  13. Find the area of a quadrant of a circle whose circumference is 22 c...

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  14. If the perimeter of a semi-circular protractor is 108cm, find the d...

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  15. Two circles touch externally. The sum of their areas is 130pi sq. cm ...

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  16. In a circle of radius 6 cm, a chord of length 10 cm makes an angle ...

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  17. Figure shows a sector of a circle of radius r containing an angle thet...

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  18. If he equation x^3+a x^2+b x+216=0 has three real roots in G.P., then ...

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  19. A sector of 56^@ cut out from a circle contains area 4. 4 c m^(2). Fin...

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

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