Study the following diagram of circle c, where ab
is a diameter that bisects the chord ef

(the link to the image of the diagram)^
if m∠acf=2(7x−4), what is the value of x?
enter the correct value.

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never