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If the perimeter of a semi circle protac...

If the perimeter of a semi circle protactor is 66 cm then find its radius.

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R G PUBLICATION-AREAS RELATED TO CIRCLES-EXERCISE
  1. If the diameter of a semi-circular protactor is 14 cm then find its pe...

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  2. What is the ratio of the areas of a circle and an equilateral triangle...

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  3. If the perimeter of a semi circle protactor is 66 cm then find its rad...

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  4. If a chord of a circle of radius 14 cm subtends a right angle at the c...

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  5. The circumference of a circle is 44cm then its area will be

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  6. If the circumference and the area of a circle are numerically equal th...

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  7. The perimeter of a circular field is 242 m then the area of the field ...

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  8. The difference between the circumference and radius of a circle is 37 ...

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  9. The area of a circle is 49pi cm^2.Its circumference is

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  10. The area of two circles are in the ratio 4:9.The ratio of their circum...

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  11. The radius of a wheel is 0.25m.The number of revolution it will make t...

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  12. The area of incircle of an equilateral triangle is 154cm^2then the per...

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  13. The area of a circle is 220cm^2.The area of a square inscribed in it i...

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  14. The area of the circle that can be inscribed in a square of side 10 cm...

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  15. If diameter of a circle is increased by 40% then its area increased by

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  16. On decreasing the radius of a circle by 30% its area is decreased by

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  17. If the radius of a circle is diminished by 10% then its area is dimini...

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  18. The area of the largest triangle that can be inscribed in a semi-circl...

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  19. If the area of a square and a circle are same then the ratio of their ...

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  20. If the circumference of a circle increases from 4pi to 8pi then its ar...

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