In triangle ABC , the bisector of internal angle B and external angle C intersect at D. If angle BDC = 50 degree , then angle A is ?
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It will be 100 because its a theorm
debanti:
WILL U PLEASE STATE THE THEOREM OVER HERE , PLEASE...
tushar , please tell me the theorem ples ...
ples friend tell the theorem...
yes , the line making the angle in centre is 2 times the angle making in othe region.
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