Name____________________________
WKST 5.3-5.4 Coordinate Geometry
Given that ABC has vertices at A(-4,2), B(2,3), and C(-2,-3); answer the following questions. All
answers must be exact.
Find the equation of the perpendicular bisector of AB .
Find the equation of the perpendicular bisector of BC .
Find the equation of the perpendicular bisector of AC .
Find the equation of the altitude from A.
Find the equation of the altitude from B.
Find the equation of the altitude from C.
Helpful things to know:
Point-Slope form:
Find the equation of the median from A.
Find the equation of the median from B.
Slope of AB
Slope of BC
Slope of AC
Find the equation of the median from C.
Midpoint of AB
Midpoint of BC
Find the location of the circumcenter.
Midpoint of AC
Circumcenter is intersection of:
Orthocenter is intersection of:
Find the location of the orthocenter of the triangle.
Find the location of the centroid of the triangle.
Centroid is intersection of: