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Question Number 92226 by jagoll last updated on 05/May/20

Commented by mr W last updated on 05/May/20

$$3x=63$$$$x=21°$$

Commented by jagoll last updated on 06/May/20

$$\mathrm{how}\mathrm{sir}?$$

Commented by mr W last updated on 06/May/20

Commented by mr W last updated on 06/May/20

$$\alpha +\gamma +2\times 90°=2\times 180°$$$$\Rightarrow \alpha +\gamma =180°$$$$\beta +\gamma =180°$$$$\Rightarrow \alpha =\beta$$$$\Rightarrow 3x=63°$$$$\Rightarrow x=21°$$

Commented by jagoll last updated on 06/May/20

$$\mathrm{waw}..=====\mathrm{great}\mathrm{sir}$$$$\mathrm{thank}\mathrm{you}$$

Commented by Prithwish Sen 1 last updated on 06/May/20

$$\alpha +\gamma =180\mathrm{and}\beta +\gamma =180$$$$\mathrm{then}\alpha =\beta =63$$

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