Answer:
The right choice is (D) 12
Step-by-step explanation:
Since we see that both the triangles are congruent so a change in one triangle will make the same change in another.
If we look at side GH and NO then NO is extended by a factor of + 6. Therefore we will apply the same factor to another side of congruent triangle. This implies 6 + 6 will give us 12 which is x
