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Three vertices are chosen at random from the vertices of a regular hexagon then
The probability that the triangle with these vertices is an equilateral triangle is equal to

A

`1/10`

B

`3/5`

C

`9/10`

D

`3/10`

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The correct Answer is:
A
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Knowledge Check

  • Three of six vertices of a regular hexagon are chosen at random. Tie probability that the triangle formed by these vertices is an equilateral triangle is

    A
    `3/20`
    B
    `3/10`
    C
    `(-1)/10`
    D
    `1/4`

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