Answer :
Answer:
(A) The legs in right triangles are equal.
Step-by-step explanation:
LL theorem or Leg-Leg theorem: The LL theorem is also known as the leg-leg theorem. It states that if the legs of one right triangle are congruent to the legs of another right triangle, then the triangles are congruent.
Thus, in order to prove that the two right triangles are congruent,w use the LL theorem which holds that The legs in right triangles are equal.
Hence, option A is correct.