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A wire is bent into the form of a square...

A wire is bent into the form of a square of alde 27.5 cm. The wire is straightened and bent into the form of a circle. What will be be the radius of the circle so forined?

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VGS PUBLICATION-BRILLIANT-AREA OF PLANE -FIGURES -EXERCISE
  1. Find the value of cos45°∕ sec30°+cosec60°

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  2. Draw circles having different radius on à graph paper. Find the area b...

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  3. A wire is bent into the form of a square of alde 27.5 cm. The wire is...

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  4. The circumference of a circle is 22 cm. Find Its area. And also find t...

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  5. Observe the adjacent figure. It shows two circles with the same centre...

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  6. Observe the adjacent figure. It shows two circles with the same centre...

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  7. Observe the adjacent figure. It shows two circles with the same centre...

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  8. Calculate the area of shaded part of the figure given below.

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  9. Find the area of shaded region in each of the following figures.

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  10. A rectangular acrylic sheet is 24 cm by 20 cm. From it, 49 circular ...

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  11. Find the area of a circle inscribed in a square of side 28 cm. [Hint: ...

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  12. Find the area of the shaded region in each of the following figures.

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  13. Find the area of the shaded region in each of the following figures.

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  14. The given figure consists of four small semi-circles of equal radii an...

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  15. The given figure consists of four half circles and two quarter circles...

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  16. In the given figure A, B, C and D are centres of equal circles which t...

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  17. The area of an equilateral triangle is 49sqrt3 cm^2. Taking each angul...

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  18. Four equal circles, each of radius 'a' touch one another. Find the are...

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  19. Four equal circles are described about the four corners of a square so...

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  20. From a piece of cardboard, in the shape of a trapezium ABCD and AB || ...

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