द साइड ऑफ इंसुलेटर फैमिली स्कूल बाय एक्सप्रेस द पेरीमीटर ऑफ द इक्विलैटरल ट्रायंगल यूजिंग एल
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Answer:
3l
Step-by-step explanation:
given that
side of equilateral triangle = l
we know that
In equilateral triangle ABC
All sides are equal
therefore, AB=BC=AC=l
so,
perimeter= sum of all sides
=l+l+l
=3l
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