plzz solve this one
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Gɪᴠᴇɴ, ᴀɴɢ.DBC= ⓹⓼°.
I) ᴀɴɢ.BDC = (⓵⓼⓪- ⓽⓪- ⓹⓼)°
= ⓷⓶°
ɪɪ) ᴀɴɢ. BEC= ⓵⓸⓼°.
ɪɪɪ) ᴀɴɢ.BAC= ⓷⓶°
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