Deep ocean trenches typically are not located adjacent to abyssal plains transform plate boundaries young continental mountains volcanic island arc chains

Transform plate boundaries

Explanation: As transform plate boundary is the surface where the plates present slides from side of each other this is why deep ocean trenches are not adjacent to it. Lithosphere at the transform plate boundary does not get created or destroyed.They are usually found near the sea floor.They are also considered as the main reason behind the natural calamities like tsunami ,earthquakes etc.

answer is  

loa ≅ lma

to prove that the triangles are congruent using the aas congruence

a characteristic is a deep cut in the earth or left over rock aka till.