7.10. Proportions with Angle Bisectors http://www.ck12.org
2.
3.
Answers:
- Set up a proportion and solve.
20
8
=
25
y
20 y= 200
y= 10- Set up a proportion and solve.
20
y=
15
28 −y
15 y= 20 ( 28 −y)
15 y= 560 − 20 y
35 y= 560
y= 16- Set up a proportion and solve.