You have this information about ΔABC, ΔFDE, and ΔGIH:

AB = DF

AB = GI

BC = HI

DE = HI

m∠B = m∠D = m∠I

Which triangles must be congruent?

A.

ΔABC, ΔFDE, and ΔGIH

B.

ΔABC and ΔFDE only

C.

ΔGIH and ΔABC only

D.

none of the triangles

HELP ME PLS 30 POINTS

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