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Show that the area of the circumcircle o...

Show that the area of the circumcircle of any square is twice the area of its in circle.

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KALYANI PUBLICATION-AREAS RELATED TO CIRCLES-EXERCISE
  1. In figure 12 PS is a diameter of a circle whose radius is 6cm. Two pi...

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  2. In the given figure PQRS is a diameter of a circle 6cm. The length PQ,...

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  3. Show that the area of the circumcircle of any square is twice the area...

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  4. A path of 7m width runs around a circular park whose radius is 18m. Fi...

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  5. In the adjoining figure the boundary of the shaded region consist of f...

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

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  7. The inside perimeter of a running track as shown in the adjoining figu...

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  8. The inside perimeter of a running track as shown in the adjoining figu...

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  9. A chord of a circle of radius 14cm substends a right angle at the cent...

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  10. If the area of the sector is 5/8 times, the area of the circle, find t...

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  11. If OABC is a quadrant of a circle whose centre is O and radius r, find...

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  12. What is the angle substended at the centre of a circle of radius 4cm b...

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  13. If arc length of a sector is l and radius of the circle is r. Write th...

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  14. Area of the circle is .

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  15. The perimeter of a circle is known as .

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  16. Area of an arc of a sector angle theta is .

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  17. If the area of a circle and the circumference of it is numerically equ...

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  18. If the altitude of an equilateral triangle be h and the circle inscrib...

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  19. The ratio of areas of two circle is 4:1, then the ratio of their radiu...

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  20. Area of a quadrant of circle whose circumference is 22cm.

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