Please help me on 15.

Write the equations of the following in terms of the secant function:

PLEASE HELP!

Given: AB = 2, BC = 6, CA = 7

GH = 14, HJ = 4, JG = 12

Complete the similarity statement if the triangles constructed with the side lengths given above are similar. Write "not similar" if not similar.

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19. If the two triangles shown below are similar based on the given information, complete the similar statement. Write "not similar" if not similar.