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=