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In DeltaABC , DE || BC then the value of...

In `DeltaABC ,` DE || BC then the value of x is

A

x=5

B

x=3

C

x=1

D

x=2

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • In the figure : DE||BC then the value of EC is :

    A
    1 cm
    B
    2 cm
    C
    1.5 cm
    D
    3 cm

  • In DeltaABC , if 2s=a+b+c , then the value of (s(s-a))/(bc)-((s-b)(s-c))/(bc) is

    A
    sinA
    B
    cosA
    C
    tan A
    D
    None of these

  • In DeltaABC,"if "2s=a+b+c , then the value of (s(s-a))/(bc)-((s-b)(s-c))/(bc) =

    A
    `sinA`
    B
    `cosA`
    C
    `tanA`
    D
    `-cosA`

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