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Please help me to answer this problem,please provide correct answers..Thanks?

In each figure, congruent parts are marked. Write on the first blank an additional congruent corresponding part to prove that the right triangles are congruent and state on the second blank the right triangle congruence theorem which justifies your answer. Additional corresponding part Right Triangle congruence Theorem : B C 2 Additional corresponding part Right Triangle congruence Theorem : B 3. Additional corresponding part Right Triangle congruence Theorem : D. E 4 Additional corresponding part Right Triangle congruence Theorem : N