HELP DUE IN 10 MINS! what does x =??

Explanation:

By pythagoreas theorem

12²=9²+x²

144-81=x²

63=x²

x=3✓7

pan-africanism or pan-africanism is a political, philosophical, cultural and social movement that promotes african twinning, the defense of the rights of african people and the unity of africa under a single sovereign state, for all africans, both africa as of the african diasporas.

the answer is c. hope is