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In the adjoining figure the boundary of ...

In the adjoining figure the boundary of the shaded region consist of four semi-circular are, two smallest being equal. If diameter of the largest is `14cm` and that of the smallest is `3.5cm`. Calculate the area of the shaded region. (Use `pi=22/7`)

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KALYANI PUBLICATION-AREAS RELATED TO CIRCLES-EXERCISE
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  7. A chord of a circle of radius 14cm substends a right angle at the cent...

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

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

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

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  12. Area of the circle is .

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  13. The perimeter of a circle is known as .

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

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

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

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

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

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  19. Area of a sector of angle p^@ of a circle with radius R is

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  20. A wheel has diameter 84cm. Then the nuumber of complete revolutions ma...

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