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Prove that the ratio of the area of a ci...

Prove that the ratio of the area of a circle and the equilateral triangle whose side is equal to the diameter of the circle is `pi:sqrt3`

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`pi:sqrt3`
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ZEN PUBLICATION-AREA RELATED TO CIRCLES -ADDITIONAL QUESTIONS (SHORT ANSWER TYPE QUESTION)
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  2. The side of a square is 8cm. Find the areas of circumscribed and inscr...

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  3. The area of a circular playground is 22176 m^2. Find the cost of fenci...

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  4. A circular pond is 17.5 m in diameter It is surrounded by a path 2m wi...

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  5. Two circles touch each other externally. Sum of their areas is 90pi cm...

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  6. Two circles touch each other internally. Sum of their areas is 25 pi s...

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  7. The driving wheel of a locomative engine is 2.1m in radius and it make...

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  8. Prove that the ratio of the area of a circle and the equilateral trian...

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  9. The difference between the radii of a smaller circle and a larger circ...

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  10. A path of width 3.5 m runs around a semicircular grassy plot whose per...

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  11. Find the difference in the area of a sector of angle 120^@ and its co...

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  12. The area of a sector is one twentieth of the area of the circle. Find ...

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  13. Two concentric circles of radii 3.5 cm and 7cm form a sector as shown ...

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  14. In a circle of radius 21 cm, an arc subtends an angle of 60^(@) at the...

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  15. The area of an equilaterial triangle is 49sqrt3 cm^2. Taking each angu...

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  16. In figure APB and CQD are semicircles of diameter 7cm each while ARC a...

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  17. Four circles each of radius 5cm, touch each other as shown in the figu...

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