In the triangle below, determine the value of a.
A. 4.09
B. 7.7
C. 4.7
D. 4.4
![In the triangle below determine the value of a A 409 B 77 C 47 D 44 class=](https://us-static.z-dn.net/files/dc7/450c10703a68c7cdeb1128b2ab1ba255.jpg)