The perimeter 'P' of an equilateral triangle is given by 3 x length of side'. If the length of each side of an equilateral triangle is a, express 'P' mathematically. If a= 3 units, then evaluate the perimeter of the triangle.
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Answer:
9
Step-by-step explanation:
Each side of triangle is a=3 units
perimeter =3 a
=3×3
=9 units
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