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The area of a square and a rectangle ar...

The area of a square and a rectangle are equal. If the side of the square is40 cm and the breadth of the rectangle is 25 cm, find the length of therectangle. Also, find the perimeter of the rectangle.

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Given, side of the square = `40` cm
So, area of the square = `Side^2`
= `40 xx 40` = `1600 cm^2`
...
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NCERT-PERIMETER AND AREA-SOLVED EXAMPLES
  1. Find BC, if the area of the triangle ABC is 36cm^2 and the height AD ...

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  2. In Delta PQR, PR = 8cm, QR = 4 cm and PL = 5 cm (Fig 11.22). Find: (i...

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  3. Sudhanshu divides a circular disc of radius 7cm in two equal parts. Wh...

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  4. Find the area of a circle of radius 30 cm (use pi=3.14)

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  5. The radius of a circular pipe is 10 cm. What length of a tape is requi...

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  6. Find the perimeter of the given shape (Fig 11.32) (Take pi=22//7)

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  7. Diameter of a circular garden is 9.8 m. Find its area.

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  8. The adjoining figure shows two circles with the same centre. The radi...

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  9. Two cross roads, each of width 5 m, run at right angles through the ce...

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  10. A path 5 m wide runs along inside a square park of side 100 m. Find th...

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  11. A rectangular park is 45 m long and 30 m wide. A path 2.5 m wide is c...

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  12. A door-frame of dimensions 3m×2m is fixed on the wall of dimension 10m...

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  13. Anu wants to fence the garden in front of her house (Fig 11.5), on th...

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  14. The area of a rectangular sheet is 500m^2. If the length of the sheet ...

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  15. The area of a square and a rectangle are equal. If the side of the sq...

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  16. A wire is in the shape of a square of side 10 cm. If the wire isreben...

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  17. Find the height ‘x’ if the area of the parallelogram is 24 cm^2 and t...

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  18. One of the sides and the corresponding height of a parallelogram are ...

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  19. Find the area of the following triangles (Fig 11.20).

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  20. The two sides of the parallelogram ABCD are 6 cm and 4 cm. The height...

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