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@7758849
May 2023
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Помогите! 30 балов:
найти угол А, если площадь треугольника 6
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zmeura1204
Ответ:
∠A=30°
Решение:
S=½*AB*AC*sin∠A
sin∠A=2*S/(AB*AC)=2*6/(4*6)=12/24=
=1/2
arcsin1/2=30°
∠A=30°
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Answers & Comments
∠A=30°
Решение:
S=½*AB*AC*sin∠A
sin∠A=2*S/(AB*AC)=2*6/(4*6)=12/24=
=1/2
arcsin1/2=30°
∠A=30°