ABC is an equilateral triangle of side 6 cm. If a circle of radius 1 cm is moving inside and along the sides of the triangle, then the locus of the centre of the circle is an equilateral triangle of side is

ABC is an equilateral triangle of side 6 cm. If a circle of radius 1 c

1.	ABC is an equilateral triangle of side 6 cm. If a circle of radius 1 cm is moving inside and along the sides of the triangle, then the locus of the centre of the circle is an equilateral triangle of side is
A.	5 cm
B.	(6 - 2âˆš3) cm
C.	4 cm
D.	(3 + âˆš3) cm
Answer» C. 4 cm

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ABC is an equilateral triangle of side 6 cm. If a circle of radius 1 cm is moving inside and along the sides of the triangle, then the locus of the centre of the circle is an equilateral triangle of side is

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