If in-radius of an equilateral triangle is 3 cm. Calculate the perimeter (in cm) of the equilateral triangle.

If in-radius of an equilateral triangle is 3 cm. Calculate the perimet

1.	If in-radius of an equilateral triangle is 3 cm. Calculate the perimeter (in cm) of the equilateral triangle.
A.	6√3
B.	3√3
C.	12√3
D.	18√3
Answer» E.

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If in-radius of an equilateral triangle is 3 cm. Calculate the perimeter (in cm) of the equilateral triangle.

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