In `DeltaABC` sides AB and C are produced to D and E respectively . Bisectors of exterior angles so
Channel: Doubtnut
Date: 2019-12-27

In `DeltaABC` sides AB and C are produced to D and E respectively . Bisectors of exterior angles so formed interest each other at point I. If `angleBAC=80^(@) and angleACB=50^(@)` `angleECB (ii) angleDBC (iii) angleICB (iv) angleIBC (v) angleBIC`

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