Mathematics, 04.12.2019 23:31 kelseiroll9759

Which of the following explains how δbei could be proven similar to δceh using the aa similarity postulate?

∠bei ≅ ∠ceh because vertical angles are congruent; rotate δceh 180° around point e, then translate point c to point b to confirm∠ibe ≅ hce.
∠bei ≅ ∠ceh because vertical angles are congruent; reflect δceh across segment fg, then translate point c to point b to confirm∠ibe ≅ hce.
∠bei ≅ ∠ceh because vertical angles are congruent; rotate δceh 180° around point e, then dilate δceh to confirm segment eb ≅ segment ec.
∠bei ≅ ∠ceh because vertical angles are congruent; reflect δceh across segment fg, then dilate δceh to confirm segment eh ≅ segment ei.

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