Hint: Use Law of Cosine
Determine the approximate value of c.
Law of Cosines
Standard Form
Alternate Form
2-2.2-2COM
COA)
.
6 cm
.
.
- 2acco
9 cm
2..-abon)
a
b.
9.24 cm
10.8 cm
c.
d
11.3 cm
14.0 cm

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