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A wire can be bent in the form of a c...

A wire can be bent in the form of a circle of radius 56 cm. If it is bent in the form of a square, then its area will be (a) 3520 cm2 (b) 6400 cm2 (c) 7744 cm2 (d) 8800 cm2

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RD SHARMA ENGLISH-AREAS RELATED TO CIRCLES-All Questions
  1. If the circumference and the area of a circle are numerically equal,...

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  2. If the difference between the circumference and radius of a circle i...

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  3. A wire can be bent in the form of a circle of radius 56 cm. If it i...

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  4. If a wire is bent into the shape of a square, then the area of the ...

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  5. A circular park has a path of uniform width around it. The differen...

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  6. The radius of a wheel is 0.25 m. The number of revolutions it will ...

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  7. The ratio of the outer and the inner perimeters of a circular path i...

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  8. The circumference of a circle is 100 cm. The side of a square inscr...

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  9. The area of the incircle of an equilateral triangle of side 42 cm i...

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  10. The area of incircle of an equilateral triangle is 154\ c m^2 . The ...

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  11. What is the area of the largest triangle that can be inscribed in a se...

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  12. The perimeter of a triangle is 30 cm and the circumference of its i...

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  13. The area of a circle is 220\ c m^2 . The area of a square inscribed in...

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  14. If the circumference of a circle increases form 4pi to 8pi , what ...

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  15. If the radius of a circle is diminished by 10%, then its area is di...

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  16. If the area of a square is same as the area of the circle, then the...

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  17. What is the area of the largest triangle that can be inscribed in a se...

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  18. The ratio of the areas of a circle and an equilateral triangle whos...

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  19. If the sum of the areas of two circles with radii r1 and r2 is equal t...

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  20. If the perimeter of a semi-circular protractor is 36 cm, then its d...

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