find the perimeter of an equilateral triangle whose whose one side is10by3by4cm.
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Explanation:
An equilateral triangle has its sides equal.
Perimeter of an equilateral triangle=3a where a is length of the side
Given 75=3a
⇒3a=75
⇒a=
3
75
=25cm
∴ Side of the equilateral triangle=25cm
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