Home
Class 10
MATHS
DeltaABC~DeltaDEF and their areas are re...

`DeltaABC~DeltaDEF` and their areas are respectively `64cm^2` and `121cm^2` IF EF=15.4 cm then BC=……….cm.

A

10.2

B

8.7

C

11.2

D

10.3

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SIMILAR TRIANGLES

    BEYOND PUBLICATION|Exercise EXERCISE|143 Videos

  • SETS

    BEYOND PUBLICATION|Exercise EXERCISE|247 Videos

  • STATISTICS

    BEYOND PUBLICATION|Exercise EXERCISE|141 Videos

Similar Questions

Explore conceptually related problems

DeltaABC~DeltaDEF and their areas are respectively 64 cm^2 and 121 cm^2 . IF EF=15.4 cm., then find BC.

triangle ABC ~ triangle PQR and their areas are respectively 81 cm^2 and 144cm^2 . If QR = 16 cm then find BC.

DeltaABC~DeltaDEF and areas of DeltaABC , DeltaDEF are 64cm^2 and 121cm^2 then the ratio of corresponding sides.

4 2/10 cm=……………..Cm.

The perimeter of DeltaABC~DeltaLMN are 60 cm and 48 cm of LM=8cm then AB=……….cm.

DeltaABC~DeltaDEF and 2AB=DE and BC=8cm then EF=……..cm.

triangle ABC ~ triangle DEF and areas of triangle ABC , triangle DEF are 64 cm^2 and 121 cm^2 then the ratio of corresponding sides.

In DeltaABC , E and F are the points on the sides AB and AC respectively. IF AE=2 cm, EB=2.5 cm, AF=4 cm, and FC=5 cm, then………………

Given that DeltaABC~DeltaPQR , CM and RN are respectively the medians of DeltaABC and DeltaPQR . Prove that (CM)/(RN)=(AB)/(PQ)

BEYOND PUBLICATION-SIMILAR TRIANGLES-EXERCISE
  1. In the figure, x = ……………cm.

    Text Solution

    |

  2. triangle ABC ~ triangle PQR, angle A + angle B = 100^@, angle R=………

    Text Solution

    |

  3. DeltaABC~DeltaDEF and their areas are respectively 64cm^2 and 121cm^2 ...

    Text Solution

    |

  4. Which of the following are the sides of a right triangle?

    Text Solution

    |

  5. From the figure y = ……………cm.

    Text Solution

    |

  6. The diagonal of a trapezium ABCD in which AB////CD intersect at'O' . I...

    Text Solution

    |

  7. DeltaABC~DeltaDEF and 2AB=DE and BC=8cm then EF=……..cm.

    Text Solution

    |

  8. DeltaABC~DeltaDEF, BC=4cm, EF=5cm and area of DeltaABC=80cm^2 then are...

    Text Solution

    |

  9. In the figure PQR, angle QPR = 90^@, PQ =24 cm and QR = 26 cm and in t...

    Text Solution

    |

  10. In the fiugre, QA bot AB and PB bot AB if AO = 20 cm, BO = 12 cm, PB =...

    Text Solution

    |

  11. In the figure, angle A = angle B and AD = BE then …………..

    Text Solution

    |

  12. In the figure, in /\PQR, QR////ST, (PS)/(SQ)=3/5 and PR=28 cm then PT=...

    Text Solution

    |

  13. In an equilateral triangle ABC, ADbotBC meeting BC in D then AD^2=…………...

    Text Solution

    |

  14. In the figures, if AB//CD then x = ………….cm.

    Text Solution

    |

  15. IF the diagonals in a quadrilateral divide each other proportionally t...

    Text Solution

    |

  16. In the figure, DE//AB and FE//DB thenDC^2= ……………….

    Text Solution

    |

  17. D,E and F are the mid points of the sides BC, CA and AB respectivley o...

    Text Solution

    |

  18. In the figure (PS)/(SQ)=(PT)/(TR) and anglePST=anglePRQ then DeltaPQR ...

    Text Solution

    |

  19. Side of a rhombus is 4 cm then its perimeter is…………….cm.

    Text Solution

    |

  20. In the figure, x=……………

    Text Solution

    |