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On the square handkerchief, nine circul...

On the square handkerchief, nine circular desgins each of radius 7cm are made (see fig). Find the area of the remaining portion of the handkerchief.

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The correct Answer is:
`378 cm^2`
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ZEN PUBLICATION-AREA RELATED TO CIRCLES -TEXTUAL EXERCISES (EXERCISE 5.3)
  1. Unless stated otherwise, use pi=(22)/(7). Find the area of the shade...

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

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  3. Find the area of the shaded region in Fig, if ABCD is a square of side...

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  4. Find the area of the shaded region in Fig. 5.22, where a circular arc ...

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  5. From each corner of a square of side 4 cm a quadrant of a circle of ra...

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  6. In a circular table cover of radius 32cm, a design is formed leaving a...

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  7. In the figure, ABCD is a square of side 14cm. With centres A,B,C and D...

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  8. The figure depicts a racing track whose left and right ends are semici...

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

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  10. The area of an equilateral triangle ABC is 17320.5 cm^2. With each ver...

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  11. On the square handkerchief, nine circular desgins each of radius 7cm ...

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  12. In Fig, OACB is a quadrant of a circle with centre O and radius 3.5 cm...

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  13. In the figure, square OABC is inscribed in a quadrant OPBQ. IF OA=20cm...

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  14. AB and CD are respectively two arcs of two concentric circles of radii...

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  15. In the fig.ABC is a quadrant of a circle of radius 14cm and a semicirc...

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  16. Calculate the area of the designed region in Fig. 5.34 common between ...

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