If rectangle ABCD, defined by the coordinates A(0, 0), B(0, -4), C(-2, -4), D(-2, 0), is dilated by a scale factor of 2, with resulting vertex A' at (2, 4), what is the center of the dilation?
A) (0, 0)
B) (2, 4)
C) (0, -4)
D) (-2, -4)
19)
When constructing a regular hexagon inscribed in a circle, what is the measure of an angle formed by any two adjacent vertices of the hexagon and the center of the circle?
A) 45°
B) 60°
C) 75°
D) 90°

Question

If rectangle ABCD, defined by the coordinates A(0, 0), B(0, -4), C(-2, -4), D(-2, 0), is dilated by a scale factor of 2, with resulting vertex A' at (2, 4), what is the center of the dilation?
A)	(0, 0)	
B)	(2, 4)	
C)	(0, -4)	
D)	(-2, -4)	
19)	
  When constructing a regular hexagon inscribed in a circle, what is the measure of an angle formed by any two adjacent vertices of the hexagon and the center of the circle?
A)	45°	
B)	60°	
C)	75°	
D)	90°