A) \[x=5\]
B) \[x=6\]
C) \[x=4\]
D) \[x=7\]
Correct Answer: D
Solution :
\[\cos C=\frac{2}{3}=\frac{81+64-{{x}^{2}}}{2.9.8}\Rightarrow {{x}^{2}}=49\Rightarrow x=7\].
You need to login to perform this action.
You will be redirected in
3 sec
