Natalie is completing a construction of an equilateral triangle inscribed in a circle as shown below. What should be the next step in her construction?
a. Construct a line perpendicular to the line AB to create four congruent quadrants.
b. Construct another circle from point B with the same radius as her original circle.
c. Construct another point C anywhere on the circle to be the third vertex of her triangle.
d. Draw arcs above and below line AB to show where the triangle sides meet.

http://cdn.flvsgl.com/assessment_images/geometry_v15_gs-xml/58396_51dc3826/0110a_g6_q1.jpg

Question

Natalie is completing a construction of an equilateral triangle inscribed in a circle as shown below. What should be the next step in her construction?
a. Construct a line perpendicular to the line AB to create four congruent quadrants.
b. Construct another circle from point B with the same radius as her original circle.
c. Construct another point C anywhere on the circle to be the third vertex of her triangle.
d. Draw arcs above and below line AB to show where the triangle sides meet. 

http://cdn.flvsgl.com/assessment_images/geometry_v15_gs-xml/58396_51dc3826/0110a_g6_q1.jpg