89.1k views
0 votes
PLEASE help me with this question! This is really urgent! No nonsense answers please.

PLEASE help me with this question! This is really urgent! No nonsense answers please-example-1
User Douyu
by
5.6k points

1 Answer

7 votes

Answer:

140°

Explanation:


\because m\widehat{BG} = 360\degree - m\widehat{GCB} \\</p><p>\therefore m\widehat{BG} = 360\degree - 300\degree \\</p><p>\therefore m\widehat{BG} = 60\degree \\</p><p></p><p>\because m\widehat{BGD} = m\widehat{BG}</p><p> +m\widehat{GD}\\</p><p>\therefore m\widehat{BGD} = 80\degree+60\degree\\</p><p>\therefore m\widehat{BGD} = 140\degree\\</p><p>\because m\angle BAD = m\widehat{BGD} \\</p><p>\huge\purple {\boxed {\therefore m\angle BAD =140\degree}}

User BnMcGn
by
4.8k points