Page 122 - Math Course 2 (Book 2)
P. 122
Perpendicular and Angle Bisectors
3. Find x and EF if BD is an angle bisector. 4. Find x and IJ if HK is an altitude of △HIJ.
ALGEBRA For Exercises 5–7, use the following information.
In △LMN, P, Q, and R are the midpoints of LM, MN, and LN, respectively.
5. Find x.
6. Find y.
7. Find z.
ALGEBRA Lines a, b, and c are perpendicular bisectors of △PQR and meet at A.
8. Find x.
9. Find y.
10. Find z.
COORDINATE GEOMETRY The vertices of △HIJ are J(1, 0), H(6, 0), and I(3, 6). Find the coordinates of the
points of concurrency of HIJ.
11. orthocenter 12. centroid 13. circumcenter
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