Let the centroid of an equilateral triangle ABC be at the origin. Let one of the sides of the equilateral triangle be along the straight line x+y=3. If R and r be the radius of circumcircle and incircle respectively of △ABC, then (R+r) is equal to

Let the centroid of an equilateral triangle ABC be at the origin. Let

1.	Let the centroid of an equilateral triangle ABC be at the origin. Let one of the sides of the equilateral triangle be along the straight line x+y=3. If R and r be the radius of circumcircle and incircle respectively of △ABC, then (R+r) is equal to
Answer» Let the centroid of an equilateral triangle $A B C$ be at the origin. Let one of the sides of the equilateral triangle be along the straight line $x + y = 3$ . If $R$ and $r$ be the radius of circumcircle and incircle respectively of $△ A B C$ , then $(R + r)$ is equal to

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Let the centroid of an equilateral triangle ABC be at the origin. Let one of the sides of the equilateral triangle be along the straight line x+y=3. If R and r be the radius of circumcircle and incircle respectively of △ABC, then (R+r) is equal to

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