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In Mathematics / High School | 2014-03-01

Given: Quadrilateral ABCD with ∠A = ∠C and BD is the bisector of ∠ABC.

Prove: DB bisects ∠ADC.

Asked by stephhh

Answer (1)

ΔABD ≡ ΔCBD ( L.U.U) because (BD)≡(BD), ∠A≡ ∠C , <ABD≡<CBD => <ADB ≡ <CDB =>DB bisects ∠ADC;

Answered by crisforp | 2024-06-10

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