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D is a Point on the Side BC of a △ABC such that AD bisects ∠BAC then:
  • a)
    BD = CD
  • b)
    CD > CA
  • c)
    BD > BA
  • d)
    BA > BD
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
D is a Point on the Side BC of aABC such that AD bisects∠BAC then:...
Correct, option 'D' is the correct answer.
When AD bisects ∠BAC, it means that angle BAC is split into two equal angles, BDA and BAC. Since BDA and BAC are equal, it means that angle BDA is half of angle BAC, and angle BAC is twice angle BDA.
Therefore, angle BAD is less than angle BAC.
As the angle BAC is greater than angle BAD, then it follows that side BA is greater than side BD.
Therefore, BA > BD.
In a triangle, the sum of the two smaller sides will always be greater than the largest side, which is called the triangle inequality theorem.
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Most Upvoted Answer
D is a Point on the Side BC of aABC such that AD bisects∠BAC then:...
Based on the given information, we can conclude that AD is the angle bisector of angle A in triangle ABC.
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Community Answer
D is a Point on the Side BC of aABC such that AD bisects∠BAC then:...
D
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