JEE Main 2021 Physics question

A current of 1.5 A is flowing through a triangle, of side 9 cm each. The magnetic field at the centroid is : (Assume that the current is flowing in the clockwise direction)

• (A)T, outside the plane of triangle
• (B)T, outside the plane of triangle
• (C)T, inside the plane of triangle
• (D)T, inside the plane of triangleCorrect