please assist me with this problem

Given: Triangle ABC is a right triangle
Prove: a^2 + b^2 = c^2

Which is not a justification for the proof?

a. Pieces of Right Triangles Similarity Theorem

b. Side-Side-Side Similarity Theorem

c. Substitution

d. Addition Property of Equality​

please assist me with this problemGiven Triangle ABC is a right triangleProve a2 b2 c2Which is not a justification for the proofa Pieces of Right Triangles Simi class=