Triangle LMN is similar to triangle PQR. The length of PQ is twice the length of LM.
If the cosine of angle L is 9/19 , what is the cosine of angle P?
A. 18/19
B. 19/9
C.9/19
D. 28/19
![Triangle LMN is similar to triangle PQR The length of PQ is twice the length of LM If the cosine of angle L is 919 what is the cosine of angle P A 1819 B 199 C9 class=](https://us-static.z-dn.net/files/d10/8e01c9db659420bd4548f2be529dc4e3.png)