Question

 hic sos

Answer 1

Lời giải:

$x+x+58^0=180^0$ (tổng 3 góc trong tam giác)

$\Rightarrow 2x=180^0-58^0=122^0$

$\Rightarrow x=61^0$
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$x=\widehat{NMQ}+\widehat{MNQ}=30^0+65^0=95^0$

$y=180^0-30^0-x=150^0-95^0=55^0$

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$x=360^0-55^0-90^0-90^0=125^0$