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DeltaABC and DeltaDEF are equilateral tr...

`DeltaABC` and `DeltaDEF` are equilateral triangles, `A(DeltaABC):A(DeltaDEF)=1:2`
If `AB=4` then what is length of DE?

A

`2sqrt(2)`

B

`4`

C

8

D

`4sqrt(2)`

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The correct Answer is:
D
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-SIMILARITY-EXAMPLE TYPE
  1. Areas of two similar triangles are 225 sq cm and 81 sq cm. If a side o...

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  2. DeltaABC and DeltaDEF are equilateral triangles. If A(DeltaABC):A(Del...

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  3. In the figure seg PQ|| seg DE, A(DeltaPQF)=20 units PF=2DP,then find ...

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  4. In DeltaABC and DeltaPQR in a one-to-one correspndence (AB)/(QR)=(BC)/...

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  5. If in DeltaDEF and DeltaPQR,/D~=/Q,./R~=/E, then when of the followin...

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  6. In DeltaABC and DeltaDEF/B=/E,/F=/C and AB=3DE then which of the state...

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  7. DeltaABC and DeltaDEF are equilateral triangles, A(DeltaABC):A(DeltaDE...

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  8. In figure sex XY|| set BC, thwn which of the following statements is t...

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  9. In DeltaABC,B-D-C and BD=7, BC=20, then find followig ratios: (A(...

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  10. Ratio of areas of two triangles with equal height is 2:3. If base of t...

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  11. In the figure /ABC=/DCB=90^(@), AB=6,DC=8, then (A(DeltaABC))/(A(Del...

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  12. In the figure PM=10cm, A(DeltaPQS)=100sqcm, A(DeltaQRS)=110sq. cm, the...

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  13. DeltaMNT ~ DeltaQRS. Length of altitude drawn from point T is 5 and le...

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  14. In the figure A-D-C and B-E-C seg DE|| side AB. If AD=5, DC=3, BC=6.4 ...

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  15. In the adjoining figure, seg PA , seg QB, seg RC and seg SD are perpen...

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  16. In DeltaPQR seg PM is a median. Angle bisectors of /PMQ and /PMR inter...

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  17. In the figure bisectors of /B and /C of DeltaABC intersect each other ...

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  18. In square ABCD, seg AD|| seg BC. Diagonal AC and digonal BD intersect ...

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  19. In figure XY|| seg AC. If 2AX=3BX and XY=9, complete the activity to f...

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  20. In figure, the vertices, of square DEFG are on the sides of DeltaABC. ...

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