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A wire is in the form of a square of sid...

A wire is in the form of a square of side 18 m. It is bent in the form of a rectangle, whose length and breadth are in the ratio `3: 1.` The area of the rectangle is `81\ m^2\ ` (b) 243 `m^2` (c) 144 `m^2` (d) 324 `m^2`

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RD SHARMA-MENSURATION-1-All Questions
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  2. The lengths of the diagonals of a rhombus are 8 cm and 14 cm. The ar...

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  3. The length of a rectangle is 8 cm more than the breadth. If the peri...

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  4. The length of a rectangle is 8 cm more than the breadth. If the peri...

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  5. The area of a rhombus is 119 c m^2 and its perimeter is 56 cm. The hei...

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  6. Each side of an equilateral triangle is 8 cm. Its area is (a)16sqrt(...

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  7. The area of an equilateral triangle is 4sqrt(3)\ c m^2dot\ The length...

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  8. The height of an equilateral triangle is sqrt(6)\ c mdot Its area is (...

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  9. If A is the area an equilateral triangle of height h , then (a)A=sqr...

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  10. If area of an equilateral triangle is 3sqrt(3)\ c m^2, then its height...

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  11. The area of a rhombus id 144\ c m^2 and one of its diagonal is double ...

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  12. In Fig.39, the value of k is (a)(77)/8 (b) (73)/8 (c)(71)/8 (d) (...

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  13. In Fig.40, A B C D is a parallelogram of area 144 c m^2, the value of ...

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  14. Find the altitude of a parallelogram whose area is 54\ d m^2 and ba...

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  15. In Fig.42, A B C D is a parallelogram in which A D=21\ c m , D H=18\ c...

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  16. In Fig.42, A B C D is a parallelogram in which A D=21\ c m ,\ D H=18\ ...

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  17. Find the area of a parallelogram whose base is 8cm and altitude is 4.5...

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  18. A piece of wire of length 12 cm is bent to form a square. The area ...

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  19. The area of a right isosceles triangle whose hypotenuse is 16sqrt(2...

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  20. A wire is in the form of a square of side 18 m. It is bent in the f...

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