Home
Class 10
MATHS
Let DeltaABC~DeltaDEF and their areas be...

Let `DeltaABC~DeltaDEF` and their areas be , respectively , `64 cm^(2) and 121cm^(2)` . If EF = 15.4 cm, find BC

Text Solution

Verified by Experts

The correct Answer is:
11.2 cm
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • TRIANGLES

    SUBHASH PUBLICATION|Exercise EXERCISE 2.4 (Tick the correct answer and justify) :|2 Videos

  • TRIANGLES

    SUBHASH PUBLICATION|Exercise EXERCISE 2.5|23 Videos

  • TRIANGLES

    SUBHASH PUBLICATION|Exercise EXERCISE 2.3|22 Videos

  • SURFACE AREAS AND VOLUMES

    SUBHASH PUBLICATION|Exercise EXERCISE 15.5|4 Videos

Similar Questions

Explore conceptually related problems

Delta ABC ~ Delta DEF and their areas are respectively 64 cm^(2) and 121 cm^(2) . If EF = 15.4 cm., then find BC.

Delta ABC - Delta DEF , Area of Delta ABC = 64 cm^(2) and area of Delta DEF = 121 cm^(2) . If EF = 15.4 cm , Find BC.

Knowledge Check

  • If DeltaABC~DeltaDEF, BC=3cm, EF=4cm , and Area of DeltaABC=54cm^(2) , then Area of Delta DEF is

    A
    `96cm^(2)`
    B
    `86cm^(2)`
    C
    `76cm^(2)`
    D
    `66cm^(2)`

    • Similar Questions

    Explore conceptually related problems

    Delta ABC~Delta DEF and their areas are 64 cm^2 and 100 cm^2 respectively. If EF=12 cm then find the measure of BC.

    Triangles ABC and DEF are similar .The area of △ABC is 16 cm^(2) , and that of △DEF 25 cm^(2) . If BC=2.3 cm, find EF

    DeltaABC~DeltaDEF . If area (DeltaABC)=2.89m^(2) , area (DeltaDEF)=2.25m^(2) , and AB = 1.5 m, find DE.

    Find the areas of the rectangles whose sides are : (a) 3 cm and 4 cm

    In DeltaABC , D and E are points on AB and AC respectively, such that DE||BC . If (AD)/(DB)=4/13 and AC = 20.4 cm, find AE.

    Find the area of the circle of radius 4.2cm.

    Delta ABC ~ Delta DEF if BC = 3 cm , EF = 4 cm and area (Delta ABC) = 54 cm^(2) , then find area (Delta DEF) .

    Home
    Profile