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DeltaABCandDeltaDEF both are equilateral...

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

A

`2sqrt(2)`

B

4

C

8

D

`4sqrt(2)`

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The correct Answer is:
B, D
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CHETAN PUBLICATION-SIMILARITY -Problem Set - 1 (MCQs)
  1. If in DeltaABCandDeltaPQR for some one- one correpondence if (AB)/(Q...

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  2. If in DeltaDEF~DeltaPQR.angleD~=angleQ,angleR~=angleE , then which of ...

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  3. In DeltaABCandDeltaDEF.angleB~=angleE,angleF~=angleCand AB= 3 DE then ...

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  4. DeltaABCandDeltaDEF both are equilateral triangles. A(DeltaABC):A(Delt...

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  5. In the figure seg XY|| BC , then which of the following statement is ...

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  6. In DeltaABC,AB=3 "cm" , BC=2"cm" and AC=2.5"cm " DeltaDEF~DeltaABC, E...

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  7. The sides of two similar triangles are 4 : 9 . What is the ratio of th...

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  8. The areas of two similar traingles are 18 "cm" ^(2) and 32"cm" ^(2) ...

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  9. DeltaABC~DeltaPQR,AB=6 "cm" , BC=8"cm",AC=10"cm" and QR= 6 "cm" . . W...

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  10. In DeltaXYZ , ray YM is the bisector of DeltaXYZ where XY= YZ and X-...

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  11. In DeltaABC,AB=6 "cm" ,BC =8 "cm and AC=10"cm" Delta ABC is enlarged ...

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  12. In DeltaABC,B-D-C and BD=6 "cm" , DC=4"cm" what is the ratio A(Delta...

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  13. In DeltaXYZ,PQ||YZ,X-P-YandX-Q-Z. "If" (XP)/(PY)=(4)/(13)andXQ=4.8"cm...

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  14. In DeltaABC , P is a point on side BC such that BP = 4 cm and PC = 7 c...

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  15. In DeltaPQR seg RS is the bisector of anglePQR,PS=8, SQ=6,PR=20" then...

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  16. In DeltaABC,"line " PQ||"side" BC,AP=3,BP=6, AQ=5 then the value of CQ...

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