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Find the area of the square, the length ...

Find the area of the square, the length of whose diagonal is(i) 72 cm, (ii) 2.4 m.

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The correct Answer is:
(i)`2592cm^(2)`
(ii)`2.88m^(2)`
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RS AGGARWAL-MENSURATION-EXERCISE 20A
  1. Find the area of the rectangle whose dimensions are:(i) length = 24.5 ...

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  2. Find the area of a rectangular plot, one side of which is 48 m and its...

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  3. The sides of a rectangular park are in the ratio 4:3. If its area is 1...

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  4. The area of a rectangular field is 3584 m^(2) and its length is 64 m. ...

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  5. A verandah is 40 m long and 15 m broad. It is to be paved with stones,...

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  6. Find the cost of carpeting a room 13 m by 9 m with a carpet of width 7...

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  7. The cost of carpeting a room 15 m long with a carpet of width 75 cm at...

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  8. The length and breadth of a rectangular piece of land are in the ratio...

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  9. Find the length of the largest pole that can be placed in a hall 10 m ...

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  10. Find the area of a square each of whose sides measures 8.5 m.

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  11. Find the area of the square, the length of whose diagonal is(i) 72 cm,...

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  12. The area of a square is 16200 m^(2). Find the length of its diagonal.

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  13. The area of a square field is (1)/(2) hectare. Find the length of its ...

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  14. The area of a square plot is 6084 m sq.. Find the length of the wire w...

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  15. A wire is in the shape of a square of side 10 cm. If the wire is reben...

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  16. A godown is 50 m long, 40 m broad and 10 m high. Find the cost of whit...

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  17. The area of the 4 walls of a room is 168 m^(2). The breadth and height...

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  18. The area of the 4 walls of a room is 77 m^(2). The length and breadth ...

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  19. The area of four walls of a room is 120 m^(2) . If the length of the r...

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  20. A room is 8.5 m long, 6.5 m broad and 3.4 m high. It has two doors, ea...

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