Предмет: Геометрия, автор: dostoevskij645

помогите пожалуйста

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Автор ответа: ludmilaksenija2005

1

Объяснение:

∠C=180-∠A-∠B=180-80-70=30°

S=(BC•AC•sinC)/2=(6•10,8•sin30)/2=

=(6•10,8•1/2)/2=16,2

hdjd837388474747747h: Помоги https://znanija.com/task/53748939

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