Relationship between Unequal Sides of Triangle and the Angles Opposite to It.
If D is a poi...
Question
Question 6 If D is a point on the side BC of a ΔABCsuch that AD bisects ∠BAC. Then, (A) BD = CD (B) BA > BD (C) BD > BA (D) CD > CA
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Solution
Given ΔABC such that AD bisects ∠BAC ⇒∠BAD=∠CAD In ΔACD,∠BDA is an exterior angle ∴∠BDA>∠CAD...(i) ⇒∠BDA>∠BAD[from eq.(i)] ⇒BA>BD [side opposite to greater angle is greater]