Задание 8..................

Question

Задание 8..................

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Comments

180-у1+у1+180-у1=7у1

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360-8*у1 = 0

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у1 = 45

Answer 1

<1=<3 ,<2=<4 -вертикальные<br>2<2=6<1<br><2=3<1<br><1+<2=180смежные<br>3<1+<1=180<br>4<1=180<br><1=180:4<br><1=45⇒<3=45<br><2=3*45=135⇒<4=135