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arunesh

· started a discussion

· 1 Months ago

bac=120...? (Question: 394591.0 )

is it a property...? plz explain

Question:

ABC is a triangle. The internal bisector of  ∠B and the external  bisector of ∠C intersect at D. If ∠BDC = 60º, then sin ∠BAC +    cos∠ABC+∠ACB2    -

Options:
A)

3

B)

6    

C)

2    

D)

3    

Solution:

Ans: (d)


SACHIN KUMAR

· commented

· 1 Months ago

Yet to be approved!

Rakesh kumar

· commented

· 1 Months ago

yes its property
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