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21 July, 12:12

The perimeter of an equilateral triangle is 21cm, find its length

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  1. 21 July, 14:45
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    7cm is the length for each side of an equalateral triangle
  2. 21 July, 16:01
    0
    7 cm

    Step-by-step explanation:

    An equilateral triangle has all sides equal.

    To find the measure of the side, simply divide the perimeter by 3. This is because a triangle has 3 sides.

    21 : 3 = 7
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