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Find the radius of a circle whose circum...

Find the radius of a circle whose circumference is equal to the sum of the circumference of two circles of diameter 36 cm and 20 cm.

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The correct Answer is:
28 cm
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OSWAAL PUBLICATION-AREAS RELATED TO CIRCLES -LONG ANSWER TYPE QUESTIONS - I
  1. Find the radius of a circle whose circumference is equal to the sum of...

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  2. In the given figure, AOB is a sector of angle 60^(@) of a circle with ...

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  3. Find the area of shaded region shown in the given figure where a circu...

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  4. In the given figure, a chord AB of the circle with centre O and radius...

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  5. Find the area of the shaded region in Fig., if radii of the two conecn...

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  6. In the given figure, O is the centre of circle such that diameter AB =...

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  7. Find the area of minor segment of a circle of radius 14 cm, when its c...

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  8. A momento is made as shown in the figure. Its base PBCR is silver plat...

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  9. The circumference of a circle exceeds the diameter by 16.8 cm. Find th...

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  10. Find the area of the corresponding major sector of a circle of radius ...

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  11. In fig., APB and AQP are semi-circles, and AO = OB if the perimeter of...

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  12. in fig. find the area of the shaded region [ use pi = 3.14 ]

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  13. In the fig, PSR, RTQ and PAQ are three semi circles of diameters 10 cm...

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  14. In the figure, Delta ABC is in the semi-circle, find the area of the s...

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  15. In the figure, Delta ABC is in the semi-circle, find the area of the s...

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  16. Find the area of the adjoining diagram.

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  17. AB and CD are two diameters of a circle perpendicular to each other an...

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  18. Find the area of the shaded region in figure, if BC BD=8cm, AC = AD = ...

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  19. In the given figure, AB is the diameter of the largest semi-circle. AB...

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  20. In the given figure, Delta POR is an equilateral triangle of side 8 cm...

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  21. In fig., sectors of two concentric circles of radii 7 cm and 3.5 cm ar...

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