answer me the both question
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Step-by-step explanation ∆ DBC is isoceles since base angles are equal . Therefore , DB is equal to DC. In ∆ABD and ∆ACD, Ad is common and DB = DC and AB = AC. Therefore, by SSS congruence they are congruent . By CPCT we can tell that angle BAD =DAC. This implies that AD bisects angle A
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