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Order of rotational symmetry in an equil...

Order of rotational symmetry in an equilateral triangle is ............

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(a) Can you now tell the order of the rotational symmetry for an equilateral triangle ? (b) How many position are there at which the triangle looks acactly the same when rotated about its centre by 120^(@) ?

An equilateral triangle has ............. lines of symmetry.

Knowledge Check

  • Perimeter of an equilateral triangle =.............

    A
    3 + side
    B
    Side x Sie
    C
    Side / Side
    D
    3 x side

  • The angle of rotation in an equllateral triangle is :

    A
    `60^(@)`
    B
    `70^(@)`
    C
    `90^(@)`
    D
    `120^(@)`

  • An equilateral triangle has................lines of symmetry.

    A
    1
    B
    3
    C
    2
    D
    4

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    Order of rotational symmetry of a line segment is .........

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    The measure of each angle of an equilateral triangle is :

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