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Each side of a rectangle is doubled. Fin...

Each side of a rectangle is doubled. Find the ratio between :
(i) perimeters of the original rectangle and the resulting rectangle
(ii) areas of the original rectangle and the resulting rectangle

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The correct Answer is:
(i) 1:2 (ii) 1:4
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ICSE-AREA OF A TRAPEZIUM AND A POLYGON-EXERCISE 20(B)
  1. Find the length and perimeter of a rectangle, whose area = 120 cm^(2)...

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  2. The perimeter of a rectangle is 46 m and its length is 15 m. Find its...

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  3. The diagonal of a rectangle is 34 cm. If its breadth is 16 cm, find i...

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  4. The area of a small rectangular plot is 84 m^(2) If the difference b...

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  5. The perimeter of a square is 36 cm, find its area.

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  6. Find the perimeter of a square whose area is 1.69 m^(2) .

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  7. The diagonal of a square is 12 cm long, find its area and length of o...

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  8. The diagonal of a square is 15 m, find the length of its one side and...

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  9. The area of a square is 169 cm^(2). Find its : (i) one side (ii) pe...

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  10. The length of a rectangle is 16 cm and its perimeter is equal to the ...

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  11. The perimeter of a square is numerically equal to its area. Find its ...

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  12. Each side of a rectangle is doubled. Find the ratio between : (i) ...

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  13. In each of the following cases ABCD is a square and PQRS is a rectang...

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  14. A path of uniform width, 3 m, runs around the outside of a square fie...

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  15. A path of uniform width, 2.5 m, runs around the inside of a rectangul...

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  16. The length of a hall is 18 m and its width is 13.5 m. Find the least ...

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  17. A rectangular field is 30 m in length and 22 m in width. Two mutually...

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  18. The length and the breadth of a rectangular field are in the ratio 5:4...

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  19. The length and the breadth of a conference hall are in the ratio 7:4 a...

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