Question Number 23312 by tawa tawa last updated on 28/Oct/17
Commented by tawa tawa last updated on 28/Oct/17
$$\mathrm{God}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir} \\ $$
Commented by Tinkutara last updated on 28/Oct/17
$$\mathrm{120}° \\ $$
Answered by mrW1 last updated on 28/Oct/17
$$\angle\mathrm{ABC}=\angle\mathrm{AGB}+\angle\mathrm{GAB}=\angle\mathrm{ADB}+\angle\mathrm{GAB} \\ $$$$\Rightarrow\mathrm{150}=\mathrm{x}+\mathrm{30} \\ $$$$\Rightarrow\mathrm{x}=\mathrm{120}° \\ $$
Commented by tawa tawa last updated on 28/Oct/17
$$\mathrm{God}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir}. \\ $$