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Question Number 23312 by tawa tawa last updated on 28/Oct/17

Commented by tawa tawa last updated on 28/Oct/17

God bless you sir

$$\mathrm{God}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir} \\ $$

Commented by Tinkutara last updated on 28/Oct/17

120°

$$\mathrm{120}° \\ $$

Answered by mrW1 last updated on 28/Oct/17

∠ABC=∠AGB+∠GAB=∠ADB+∠GAB  ⇒150=x+30  ⇒x=120°

$$\angle\mathrm{ABC}=\angle\mathrm{AGB}+\angle\mathrm{GAB}=\angle\mathrm{ADB}+\angle\mathrm{GAB} \\ $$$$\Rightarrow\mathrm{150}=\mathrm{x}+\mathrm{30} \\ $$$$\Rightarrow\mathrm{x}=\mathrm{120}° \\ $$

Commented by tawa tawa last updated on 28/Oct/17

God bless you sir.

$$\mathrm{God}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir}. \\ $$

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