Respuesta :

Answer:

A. (-8,8)

B. (4,8)

C. (-8,-3)

D. (4,-3)

Step-by-step explanation:

Verticie A is at (-8,8)

Verticie B is at (4,8)

Verticie C is at (-8,-3)

Verticie D is at (4,-3)

All these angles are 90°.