If lengths of tangents drawn from the vertices of triangles whose vertices are (0,0),(5,0) and (0,12) to it's incircle are a,b,c(a<b<c) units. Then (a+b)×c is

If lengths of tangents drawn from the vertices of triangles whose vert

1.	If lengths of tangents drawn from the vertices of triangles whose vertices are (0,0),(5,0) and (0,12) to it's incircle are a,b,c(a<b<c) units. Then (a+b)×c is
Answer» If lengths of tangents drawn from the vertices of triangles whose vertices are $(0, 0), (5, 0)$ and $(0, 12)$ to it's incircle are $a, b, c (a < b < c)$ units. Then $(a + b) \times c$ is