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The area of a circle inscribed in an equilateral triangle is `154\ c m^2` . Find the perimeter of the triangle. `[U s e\ \ pi=22//7a n d\ sqrt(3)=1. 73]`

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The correct Answer is:
72.7 cm
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NAGEEN PRAKASHAN-AREA RELATED TO CIRCLES-Exercise 12 B
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  2. In the figure, in Delta ABC, angle B = 90^(@), AB = 28 cm and BC = 21 ...

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  3. The length of the minute hand of a clock is 10.5 cm. Find the area swe...

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  4. A chord 10 cm long is drawn in the circle whose radius is 5 sqrt2 cm. ...

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  5. In a right -angle triangle, the length of the sides containing the rig...

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  6. In the given figure, ABCD is a square of side 7 cm. DPBA and DQBC are ...

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  7. In the given figure, three semicircles are drawn of diameter 10 cm, 7 ...

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  8. From a thin metallic sheet in the shape of a trapezium ABCD in which A...

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  9. A circulare arc has been with vertex of an equilateral triangle of sid...

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  10. In the adjoining figure, O is the centre of the circle with AC = 24 cm...

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  11. A round table cover has six equal designs as shown in the given figure...

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  12. In the given figure, DeltaABC is right angled at A. Find the area of t...

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  13. In the given figure Delta ABC is right angled at A. Semicircles are dr...

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  14. A girl formed of design in a circle of radius 42 cm leaving an equilat...

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  15. In the given figure, O is the centre of the bigger circle and AC is it...

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  16. The area of a circle inscribed in an equilateral triangle is 154\ c...

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  17. A girl was wearing a set of earings made of the line segments, semicir...

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  18. The given figure shows a square ABCD of side 20 cm. Semicircle are dra...

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  19. From a piece of paper in the shape of a regular hexagon, sectors of ci...

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  20. In the adjoining figure, two circles cut at A and B. P and Q are the c...

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