Items 6-9: use the diagram below. Complete the following: Length b is the geometric mean of lengths If e = 144 and f = 25, solve for lengths a, b, c, and d. Solution 6. ACD, CBD d,f,d,a b,a 7. c,e 8. a = 65, b = 156, c = 169, d = 60 9. c = 25, d = 12, e = 16, f = 9.

1. Items 6-9: use the diagram below. Complete the following: Length b is the geometric mean of
lengths If e = 144 and f = 25, solve for lengths a, b, c, and d.
Solution
6.
ACD, CBD
d,f,d,a
b,a
7.
c,e
8.
a = 65, b = 156, c = 169, d = 60
9.
c = 25, d = 12, e = 16, f = 9