Write the area of the triangle having vertices at `(a , b+c),\ (b , c+a),\ (c , a+b)dot`

Find the area of the triangle having vertices (a,b+c), (b,c+a) and (c,a+b) and interpret the result geometrically .

What are the coordinates of the centroid of the triangle having vertices as (a,b-c), (b,c-a) and (c,a-b)?

Find the areas of the triangle whose vertics are (a,bc),(b,ca),(c,ab)

What are the coordinates of the centroid of the triangle having vertices as (a, b), (b,b-a) and (c, a - b)?

Find the area of the triangle with vertices at the points (a,b+c),(b,c+a),(c,a+b).

Find the area of the triangle whose vertices are (a,b+c),(a,b-c) and (-a,c) ?

The area of the triangle with vertices at the points (a, b + c), (b, c + a) and (c, a + b) is