Предмет: Математика, автор: dulkonasta3

Помогите!!!!!!!!!!!!!СРОЧНО!!!!!!!!

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Ответы

Автор ответа: svetlanavaslarionova

1

Ответ:

а/SinA=b/SinB; SinA=a•SinB/b;SinA=4•

Пошаговое объяснение:

0,819/5=0,6552; A=41°;C=180°-55°-41°=84°

a/SinA=c/SinC; c=A •SinC/SinA; c=4•0,988/0,655=6

c=6;A=41°; C=84°

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