Respuesta :

A vertex is a corner and the corner that both the quadrilateral and pentagon share is at point (-3,-5)

Answer:

Point; ( - 3, - 5 )

Step-by-step explanation:

Solution; ( - 3, - 5 )

If we take a look at the figure, the two figures share a common endpoint in the III quadrant;

This point meets with an x - value of - 3, and a y - value of - 5, such that it forms the coordinate ( - 3, - 5 )