The side BC of a triangle {\ABC} is produced to D bisectors of the angles ABC and ACD meet at P. If \angle {\BPC}=x^{\circ} and \angle {\BAC}=y^{\circ}, then which one of the following is correct ?

UPSC 2013 CDS 1 Math Paper

Question : 77 of 100

Marks: +1, -0

The side BC of a triangle ABC is produced to D bisectors of the angles ABC and ACD meet at P. If ∠BPC=x∘ and ∠BAC=y∘, then which one of the following is correct ?

x°=y°
x°+y°=90∘
x°+y°=180∘
2x°=y°

Validate

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