Home
Class 10
MATHS
DeltaABC and DeltaDEF are equilateral tr...

`DeltaABC` and `DeltaDEF` 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)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SIMILARITY

    TARGET PUBLICATION|Exercise Activites for Practice|4 Videos

  • SIMILARITY

    TARGET PUBLICATION|Exercise Multiple Choice Questions|28 Videos

  • SIMILARITY

    TARGET PUBLICATION|Exercise Practice Set 1.4|7 Videos

  • QUESTION FROM STD. IX

    TARGET PUBLICATION|Exercise Statistics|14 Videos

  • STATISTICS

    TARGET PUBLICATION|Exercise Problem Set-6|21 Videos

Similar Questions

Explore conceptually related problems

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

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

DeltaABC and DeltaDEF are equilateral triangles. If A(DeltaABC):A(DeltaDEF)=1:2 and AB=4 , find DE.

Choose the correct alternative. DeltaABC and DeltaPQR are equilateral triangles. If A(DeltaABC) : A(DeltaPQR) = 1 : 16, and AB = 2 cm, then what is the length of PR?

If DeltaABC ~ DeltaDEF such that A(DeltaABC) = 4A(DeltaDEF) and AC = 6 cm, then DF =

DeltaABC~DEF . A(DeltaABC) : A(DeltaDEF)=49 : 100 . Find the ratio of AB : DE .

DeltaABC and DeltaDEF are two similar triangle and the primeters of DeltaABC and DeltaDEF are 30 cm and 18 cm respectively . If the length of DE = 36 cm , then length of AB is

Let DeltaABC -DeltaDEF , ar(DeltaABC)= 169 cm^(2) and ar (DeltaDEF) = 121 cm^(2) . If AB = 26 cm thhen find DE.

If DeltaABC ~ DeltaDEF and AB : PQ = 5 : 7 then write the ratio of A(DeltaABC) : A(DeltaPQR) .

TARGET PUBLICATION-SIMILARITY -Problem Set - 1
  1. In DeltaABC and DeltaPQR, in a one to one correspondence. (AB)/(QR) ...

    Text Solution

    |

  2. If in DeltaDEF and DeltaPQR, angleD = angleQ, angleR =angleE, then whi...

    Text Solution

    |

  3. In DeltaABC and DeltaDEF, " " angleB = angleE, angleF = angleC and ...

    Text Solution

    |

  4. DeltaABC and DeltaDEF are equilateral triangles, A(DeltaABC) : A(Delta...

    Text Solution

    |

  5. In the adjoining figure, seg XY abs()seg BC, then which of the followi...

    Text Solution

    |

  6. In DeltaABC,B - D - C and BD = 7, BC = 20, then find the ratio. (A(D...

    Text Solution

    |

  7. In DeltaABC,B - D - C and BD = 7, BC = 20, then find the ratio (A(Del...

    Text Solution

    |

  8. In DeltaABC,B - D - C and BD = 7, BC = 20, then find following rations...

    Text Solution

    |

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

    Text Solution

    |

  10. In the adjoining figure, angleABC = angleDCB = 90^@ , AB = 6 , DC = 8...

    Text Solution

    |

  11. In the adjoining figure, PM = 10 cm, A(DeltaPQS) = 100sq. cm, A(DeltaQ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. In the adoining figure, XY abs() seg AC. If 2 AX = 3 BX and XY = 9, fi...

    Text Solution

    |

  19. In the adjoining figure, the vertices of square DEFG are on the sides ...

    Text Solution

    |