Steve listed the steps he took when constructing a circumscribed circle of AABC. What is the missing step? 1) Draw the perpendicular bisector of AB. 2) 3) Label the point of interception of the perpendicular bisectors R. 4) Use a compass to draw a circle with center R and radius RA. None of the other answers are correct O Draw medians for each of the two triangles formed by the perpendicular bisector of AB O Draw a median of the triangle and label its base R. O Label one of the midpoints of the triangle R. Repeat step 1 for BC or AC​