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Mathematics, 03.12.2019 18:31 vultuxx

Triangle a b c is shown with its exterior angles. line b a extends through point d. line a b extends through point e. line a c extends through point f. which angle’s measure is equal to the sum of the measures of ∠bac and ∠bca? ∠cba ∠cbe ∠dac ∠bcf

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