Diagonal of a quadrilateral divides into ________ .
Statement 1: Sum of the interior angles of a quadrilateral is 360∘.
Statement 2: A diagonal divides the quadrilateral into two triangles. The sum of angles of a triangle is 180∘.
Statement 1: Sum of the interior angles of a quadrilateral is 360∘
A diagonal of a quadrilateral divides it into _____ congruent triangles.