If `A (cosalpha, sin alpha), B(sin alpha, cosalpha), C(1, 2)` are the vertices of `DeltaABC`, then as `alpha` veries, the locusof its centroid is

If A(cos alpha,sin alpha),B(sin alpha,-cos alpha),C(1,2) are the verties of a Delta ABC, then as alpha varies,the locus of its centroid is:

If A(cosalpha, sinalpha),B(sinalpha- cosalpha) , C (2,1) are the vertices of a DeltaABC , then as alpha varies the locus of its centroid is

If A(cosalpha,sinalpha),B(sinalpha,-cosalpha),C(1,2) are the vertices of A B C , then as alpha varies, find the locus of its centroid.

If A(cosalpha,sinalpha),B(sinalpha,-cosalpha),C(1,2) are the vertices of A B C , then as alpha varies, find the locus of its centroid.

If A(cosalpha,sinalpha),B(sinalpha,-cosalpha),C(1,2) are the vertices of A B C , then as alpha varies, find the locus of its centroid.

If (cos alpha,sin alpha),B(sin alpha,-cos alpha),C(1,2)A(cos alpha,sin alpha),B(sin alpha,-cos alpha),C(1,2) are the vertices of $ABC, then as alpha varies, find the locus of its centroid.

if A(cosalpha,sinalpha),B(sinalpha,-cosalpha),C(1,2) are the vertices of DeltABC ,then as alpha Find the locsus of its centroid.

If A(cos alpha, sin alpha), B(sin alpha, -cos alpha), C(1,2) are the vertices of a triangle, then as alpha varies the locus of centroid of the DeltaABC is a circle whose radius is :

If A(cos alpha, sin alpha), B(sin alpha, -cos alpha), C(1,2) are the vertices of a triangle, then as alpha varies the locus of centroid of the DeltaABC is a circle whose radius is :

If A ( cos alpha, sin alpha ), B (sin alpha - cos alpha ), C( 1, 2 ) are the vertices of a Delta ABC , then the locus of its centroid is