Given two keyframes for an object transformation. First keyframe contains triangle and the second keyframe contains quadrilateral. Convert triangle into quadrilateral by equalizing vertex counts.

To morph a triangle into a quadrilateral, we need to equalize the vertex counts by converting the triangle (3 vertices) to have the same number of vertices as the quadrilateral (4 vertices). This can be done by splitting one of the edges of the triangle to create an additional vertex. Suppose the triangle is ABC and the quadrilateral is EFGH then equalizing vertex counts can be shown as: