Home
Class 10
MATHS
DeltaABC ~ DeltaDEF. If BC = 5 cm,EF = 7...

`DeltaABC ~ DeltaDEF`. If BC = 5 cm,EF = 7.5 cm and
`A(Delta DEF) = 45cm^2 ,` then `A(DeltaABC)` =

A

(a) `10cm^2`

B

(b) `20 cm^2`

C

(c) `30cm^2`

D

(d) `40cm^2`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SIMILARITY

    TARGET PUBLICATION|Exercise Additonal Problems for Practice( Basid on Practice Set 1.1)|11 Videos

  • SIMILARITY

    TARGET PUBLICATION|Exercise Additonal Problems for Practice(Based on Practice Set 1.2)|11 Videos

  • SIMILARITY

    TARGET PUBLICATION|Exercise Activites for Practice|4 Videos

  • QUESTION FROM STD. IX

    TARGET PUBLICATION|Exercise Statistics|11 Videos

  • STATISTICS

    TARGET PUBLICATION|Exercise Problem Set-6|5 Videos

Similar Questions

Explore conceptually related problems

In the following figure, seg DH bot seg EF and seg GK bot EF. If DH = 6 cm, GK = 10 cm and A(DeltaDEF) = 150 cm^2 , then find: (i) EF (ii) A (DeltaGEF) (iii) A(squareDFGE)

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

In DeltaABC," "DE abs() BC. If DB = 5.4 cm, AD = 1.8 cm, EC = 7.2 cm, then find AE.

Points D, E and F are the midpoints of sides AB, BC, and AC of DeltaABC . If DE = 10 cm, EF = 12 cm and DF = 8 cm, then find AB.

In the figure, DeltaABC ~ DeltaAPQ . If AB 12 cm, and AQ =1/4 AC, then the length of AP is

Choose the correct alternative. In the given figure, if BC = 3cm and BD = 7 cm , then (A(DeltaABC))/(A(DeltaABD)) =

Draw Delta ABC ,AB=3 cm,BC=4 cm,AC=5 cm,measure /_B .

Draw Delta ABC such that l (BC) = 5.5 cm, mangleABC=90^@ , l (AB) = 4 cm, Show the orthocentre of the triangle.

In DeltaABC and DeltaDEF, " " angleB = angleE, angleF = angleC and AB = 3 DE , then which of the statements regarding the two triangles is true?

TARGET PUBLICATION-SIMILARITY -Multiple Choice Questions
  1. In the given figure, DE abs() BC. If AB = 12 cm and AD = 3cm, then A...

    Text Solution

    |

  2. In DeltaPQR, if ST abs() QR, then what is the value of x?

    Text Solution

    |

  3. Ray BD is the angle bisector of angleABC. The perimeter of DeltaABC is

    Text Solution

    |

  4. squarePQRS is a trapezium, and AB abs() PS abs() QR. If PA = 3 cm, A...

    Text Solution

    |

  5. In DeltaABC and DeltaXYZ, (AB)/(YZ) = (BC)/(ZX) = (AC)/(XY), then by w...

    Text Solution

    |

  6. If in DeltaPQR and DeltaXYZ, (PQ)/(XY) = (QR)/(XZ) then the triangles ...

    Text Solution

    |

  7. If DeltaPQR ~ DeltaDEF, angleP = 65^@ and angleF = 32^@, then angleQ i...

    Text Solution

    |

  8. In the given figure, if seg PQabs() seg BC such that (AP)/(AB) = 2/5, ...

    Text Solution

    |

  9. In the figure, if DeltaXYZ is right angled at Y and UVbotXZ, XZ = 13 c...

    Text Solution

    |

  10. A vertical pole of a length 6 m casts a shadow of 4 m long on the grou...

    Text Solution

    |

  11. In the figure, DeltaABC ~ DeltaBPQ. If AB = BC and P is the midpoint ...

    Text Solution

    |

  12. In the figure, DeltaABC ~ DeltaAPQ. If AB 12 cm, and AQ =1/4 AC, the...

    Text Solution

    |

  13. DeltaPQR ~ DeltaXYZ. PQ : XY = 7 : 3, then A(DeltaPQR):A(DeltaXYZ)=

    Text Solution

    |

  14. If DeltaABC~DeltaPQR with (BC)/(QR)=1/3,then (ar(DeltaPRQ))/(ar(DeltaB...

    Text Solution

    |

  15. DeltaABC ~ DeltaDEF. If BC = 5 cm,EF = 7.5 cm and A(Delta DEF) = 45c...

    Text Solution

    |

  16. If the ratio of corresponding sides of similar triangles is 3 : 4 , ...

    Text Solution

    |

  17. The areas of two similar triangles are 32cm^2 and 50cm^2. The ratio ...

    Text Solution

    |

  18. DeltaPQR ~ DeltaUTS.If A(DeltaPQR) : A(DeltaUTS) = 16 : 9, and TS = ...

    Text Solution

    |

  19. DeltaDEF~DeltaMNK. If DE=2,MN=5, then find the value of (A(DeltaDEF))/...

    Text Solution

    |

  20. If DeltaABC ~ DeltaDEF such that A(DeltaABC) = 4A(DeltaDEF) and AC =...

    Text Solution

    |