PLEASE HELP ASAP 1)What type of construction is shown?

A. A line segment congruent to a given line
segment
B. A perpendicular bisector of a line segment
C A perpendicular to a given line from a point not
on the line
D. A line parallel to a given line through a point not
on the given line

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.