Question

find the perimeter and area of an equilateral triangle which each side measuring 4.2 CM​

Answer 1

Answer:

FORMULA OF PERIMETER OF EQUILATERAL TRIANGLE IS (a × 3) UNIT :

THEREFORE :-

4.2 × 3 = 12.6CM

Answer 2

Answer:

Formula: ( a×3 )

= 4.2×3 = 12.6cm

Step-by-step explanation:

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