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In the figure, DE//BC and AD:DB=1:2 then...

In the figure, `DE//BC` and AD:DB=1:2 then area`DeltaADE:DeltaABC`=

A

`1 : 4`

B

`4 : 1`

C

`1 : 9`

D

`2 : 9`

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BEYOND PUBLICATION-SIMILAR TRIANGLES-EXERCISE
  1. The ratio of the corresponding sides of two similar triangles is 5:3. ...

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  2. If triangle ABC ~ triangle DEF, BC = 4 cm, EF = 5 cm and area triangle...

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  3. In the figure, DE//BC and AD:DB=1:2 then areaDeltaADE:DeltaABC=

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  4. DeltaABC~DeltaPQR, M is the midpoint of BC and N is the midpoint of QR...

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  5. In DeltaPQR,PQ=6sqrt3cm, PR=12cm and QR=6cm , then angleQ=

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  6. The lengths of diagonals of a rhombus are 24 cm and 32 cm, then the pe...

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  7. Which of the following does not belongs to side of the right triangle?

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  8. In an isosceles DeltaPQR,PR=QR and PQ^2=2PR^2, then angleR=

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  9. In DeltaABC the midpoints are D,E and F of the sides AB,BC and CA, the...

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  10. If the diagonal of a square is 7sqrt2 cm, then its area is

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  11. In the figure AB = 2.5 cm, AC = 3.5 cm. If AD is the bisector of angle...

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  12. In the figure DE divides AB and AC in the ratio 1 : 3 If DE = 2.4 cm t...

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  13. The height of an equilateral triangle whose side is a units is

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  14. If triangle ABC ~ triangle XYZ, angle C = 60^@ angle B = 75^@ then ang...

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  15. The maximum nuber of possible tangents that can be draw to a circle is...

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  16. triangle ABC ~ triangle DEF and areas of triangle ABC, triangle DEF ar...

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  17. Area of a regular hexagon whose side is 'a' cm is……………

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  18. IF a man walks 6m to East and 8m to North. Now he is at a distance of ...

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  19. angle CAD in the given figure is………..

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  20. Example for the sides of a Right angled triangle is………….

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