Предмет: Алгебра, автор: keepkakachka

решить пжпжпжпжпжпжпжпжпжпж

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Ответы

Автор ответа: Аноним

0

Ответ:100° ; 80°.

Объяснение:

∠1+∠2=180°

∠2=4/5∠1

∠1+4/5∠1=180

9/5∠1=180°

∠1=180:9/5=100°.

∠2=180-100=80°.

ИЛИ:

4/5*100=80°

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