Download GCC HW 4-4

Name: ____________________________________ Date: __________________________
Geometry Unit 4 Day 4
Triangle
1) Find the midpoint of the given line segment and write its ordered pair.
a)
b)
2) Find the midpoint of the segment that connects the 2 points in each set.
a)
b)
3) The center of a circle is (4,5). One endpoint of a diameter of circle is (-2,-3).
Find the coordinates of the other endpoint. Work backwards!
̅̅̅̅ .
4) If A(2,-1) and B(6,7), write an equation of the perpendicular bisector of 𝐴𝐵
Angles
5)
6) Find the coordinate of the centroid in the figure below.
Hint: Use the formula and check it graphically!
7) If the 3 vertices of a triangle are (-5, 2) , (2,3) and (-1,6). Calculate the coordinates of its
circumcenter.
8) Give an equation for the set of all points that are equidistant from (3,5) and (7,1).
Hint: The set of all points equidistant from two points is the perpendicular bisector of the segment joining the
two points.
9) a)
b)