Home
Class 10
MATHS
If in triangles ABC and EDF, (AB)/(DE)=(...

If in triangles ABC and EDF, `(AB)/(DE)=(BC)/(FD)` then they will be similar, when

A

`angle B = angle E`

B

`angle A = angle D`

C

`angle B = angle D`

D

`angle A = angle F`

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • GEOMETRY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO UNIT EXERCISE|13 Videos

  • GEOMETRY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO THINKING CORNER|7 Videos

  • GEOMETRY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 4.4|17 Videos

  • CO-ORDINATE GEOMETRY

    PREMIERS PUBLISHERS|Exercise Other Important Objective|25 Videos

  • MENSURATION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|16 Videos

Similar Questions

Explore conceptually related problems

If in a triangle ABC, (bc)/(2 cos A) = b^(2) + c^(2) - 2bc cos A then prove that the triangle must be isosceless

In an acute angle triangle ABC, AD, BE and CF are the altitudes, then (EF)/a+(FD)/b+(DE)/c is equal to -

Knowledge Check

  • If in triangles ABC and EDF, (AB)/(DE)=(BC)/(FD) they will be similar, when

    A
    `angleB=angleE`
    B
    `angleA=angleD`
    C
    `angleB=angleD`
    D
    `angleA=angleF`

    • Similar Questions

    Explore conceptually related problems

    In Delta ABC, DE ||BC and (AD)/(DB) = (3)/(5) . AC = 5.6 Find AE.

    In the figure , DE || BC and (AD)/(DB) = 3/5 , calculate the value of (i) ("area of " Delta ADE)/("area of " Delta ABC) (ii) ("area of trapezium BCED")/("area of " Delta ABC)

    In Delta ABC , right angle is at B,AB = 5cm and angle ACB =30^(@) Determine the lengths of the sides BC and AC.

    In triangle ABC, if a = 2 and bc = 9, then prove that R = 9//2Delta

    In triangle, ABC the points D,E,F are the midpoints of the sides , BC CA, and AB respectively. Using vector method, show that the area of Delta DEF is equal to (1)/(4) ("area of" Delta ABC) .

    Let G be the centroid of triangle ABC and the circumcircle of triangle AGC touches the side AB at A If AC = 1, then the length of the median of triangle ABC through the vertex A is equal to

    From a point O inside a triangle ABC, perpendiculars OD, OE and OF are drawn to the sides BC, CA and AB, respectively. Prove that the perpendiculars from A, B and C to the sides EF, FD and DE are concurrent

    Home
    Profile