Home
Class 10
MATHS
Let triangleABC~triangleDEF and their ar...

Let `triangleABC~triangleDEF` and their areas be,respectively,`64cm^2 and 121cm^2`.If EF=15.4 cm,find bc.

Promotional Banner

Topper's Solved these Questions

  • TRIANGLES

    R G PUBLICATION|Exercise EXERCISE|108 Videos

  • SURFACE AREA AND VOLUMES

    R G PUBLICATION|Exercise EXERCISE|69 Videos

Similar Questions

Explore conceptually related problems

/_\ABC~/_\DEF and their areas are respectively 64 cm^2 and 121 cm^2 . If EF=14.4 cm find BC.

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

/_\ABC~/_\DEF and their areas are respectively 64 cm^2 and 169 cm^2 . If the length of BC=4 cm , find EF.

In triangle ABC D and E are respectively two points on the side AB and AC.AB=12 cm,AD=8 cm,AE=12 cm and AC=18 cm then show that DE|\|BC .

triangleABC~triangleDEF such that ar (triangleABC) =36cm^2and(triangleDEF)=49cm^2 .Then the ratio of their corresponding sides is

The perimeter of two similar triangles are respectively 25cm. and 15 cm. If one side of the first triangle is 9 cm.,find the corresponding side of the second triangle.

If /_\ABC~/_\DEF in which AX and DY are the bisector of /_A and /_D respectively. If AX=6.5 cm and DY =5.2 cm , find the ratio of the areas of /_\ ABC and /_\DEF .

D and E are two points on the sides AC and AB respectively of triangleABC such that triangle ADE~triangleABC .If AD=1.9cm,AE=3.6cm.BE=2.1cm.and BC=8.4 cm.find DE.

The outer radius and the inner radius of a circular ring are respectively 25 cm and 24 cm.Find the area of the region which falls under the ring.

A line LM is drawn parallel to the base BC of /_\ ABC which meets side side AB and AC at L and M respectively. If AB=12 cm , AL=4 cm and AC= 18 cm , find the length of CM.

R G PUBLICATION-TRIANGLES-EXERCISE
  1. A vertical pole of length 6 m casts a shadow 4 m long on the ground an...

    Text Solution

    |

  2. If AD and PM are medians of triangles ABC and PQR,respectively where t...

    Text Solution

    |

  3. Let triangleABC~triangleDEF and their areas be,respectively,64cm^2 and...

    Text Solution

    |

  4. Diagonals of a trapezium ABCD withAB||DC intersect each other at the p...

    Text Solution

    |

  5. If Fig.6.44 ABC and DBC are two triangles on the same base BC.If AD in...

    Text Solution

    |

  6. If the areas of a similar triangle are equal,prove that they are congr...

    Text Solution

    |

  7. D,E and F are respectively the mid-points of sides AB,BC and CA of tri...

    Text Solution

    |

  8. Prove that the ratio of the areas of two similar triangle is equal to ...

    Text Solution

    |

  9. Prove that the area of an equilateral triangle described on one side o...

    Text Solution

    |

  10. ABC and BDE are two equilateral triangles such that D is the mid-point...

    Text Solution

    |

  11. Sides of two similar triangle are in the ratio 4:9.Areas of these tria...

    Text Solution

    |

  12. Sides of triangle are given below.Determine which of them are right tr...

    Text Solution

    |

  13. Sides of triangle are given below.Determine which of them are right tr...

    Text Solution

    |

  14. Sides of triangle are given below.Determine which of them are right tr...

    Text Solution

    |

  15. Sides of triangle are given below.Determine which of them are right tr...

    Text Solution

    |

  16. PQR is a triangle right angled at P and M is a point on QR such that P...

    Text Solution

    |

  17. In Fig.6.53,ABD is a triangle right angle at A and AC|BD.Show that (i...

    Text Solution

    |

  18. In Fig.6.53,ABD is a triangle right angle at A and AC|BD.Show that (i...

    Text Solution

    |

  19. In Fig.6.53,ABD is a triangle right angle at A and AC|BD.Show that (i...

    Text Solution

    |

  20. ABC is an isosceles triangle right angled at C.Prove thatAB^2=2AC^2.

    Text Solution

    |