Which of the following should not be part of the plan for a coordinate proof showing that the perpendicular bisectors of the sides of a triangle are concurrent?

Question

1. A. Write the equation of the line passing through two of the midpoints.
2. B. Use the midpoint formula to find the midpoint of each side.
3. C. Draw and label a triangle on the coordinate plane.
4. D. Find the slope of each side of the triangle.

Answer 1

A. To show perpendicular bisectors are concurrent you need to show that all 3 lines intersect at the same point.