Which triangle shows the incenter at point A?
Point A is inside of a triangle. Lines are drawn from each point of the triangle to point A. Lines are drawn from point A to the sides of the triangle to cut each side into 2 equal parts.

Point A is inside of a triangle. Lines are drawn from each point of the triangle to point A. Lines are drawn from point A to the sides of the triangle. All angles have different measures.

Point A is inside of a triangle. Lines are drawn from each point of the triangle to point A. Lines are drawn from point A to the sides of the triangle to form right angles.

Point A is inside of a triangle. Lines are drawn from each point of the triangle to point A. Lines are drawn from point A to the sides of the triangle to form right angles and to cut each side into 2 equal parts.