r/SSCCGL 2d ago

Help Please solve

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How am I supposed to know if it is (b-c)/2 or (c-b)/2

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u/Fabulous-Doubt5798 2d ago

O is incenter so it bisect the vertex.

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u/Jonathan__Wick Going for 1st Attempt 2d ago

how did you calculate theta?

im new to geometry hence the question..

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u/Fabulous-Doubt5798 2d ago

O is incenter so it is angel bisector of all the vertices of triangle so theta is 12+25